Primera version usando la libreria DotNetSiemensPLCToolBoxLibrary

App.xaml

@@ -1,11 +1,17 @@
 <Application x:Class="S7Explorer.App" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:S7Explorer"
-        StartupUri="Views/MainWindow.xaml">
+        StartupUri="MainWindow.xaml">
     <Application.Resources>
-        <ResourceDictionary>
-            <ResourceDictionary.MergedDictionaries>
-                <!-- Aquí puedes incluir estilos globales -->
-            </ResourceDictionary.MergedDictionaries>
-        </ResourceDictionary>
+        <!-- Define the application resources -->
+        <Style x:Key="ToolbarButtonStyle" TargetType="Button">
+            <Setter Property="Margin" Value="5" />
+            <Setter Property="Padding" Value="8,3" />
+            <Setter Property="MinWidth" Value="80" />
+        </Style>
+
+        <Style x:Key="StatusTextStyle" TargetType="TextBlock">
+            <Setter Property="Margin" Value="5" />
+            <Setter Property="VerticalAlignment" Value="Center" />
+        </Style>
     </Application.Resources>
 </Application>

App.xaml.cs

@@ -1,88 +1,8 @@
-using System;
-using System.IO;
-using System.Windows;
-using System.Windows.Media.Imaging;
+using System.Windows;
 
 namespace S7Explorer
 {
     public partial class App : Application
     {
-        protected override void OnStartup(StartupEventArgs e)
-        {
-            base.OnStartup(e);
-
-            // Asegurarnos de que existe la carpeta Resources para los íconos
-            EnsureResourcesExist();
-
-            // Configurar manejo de excepciones no controladas
-            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
-            Current.DispatcherUnhandledException += Current_DispatcherUnhandledException;
-        }
-
-        private void EnsureResourcesExist()
-        {
-            try
-            {
-                // Directorio de recursos
-                string resourcesDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resources");
-                if (!Directory.Exists(resourcesDir))
-                {
-                    Directory.CreateDirectory(resourcesDir);
-                }
-
-                // Crear íconos básicos si no existen
-                CreateDefaultIconIfNotExists(resourcesDir, "project.png");
-                CreateDefaultIconIfNotExists(resourcesDir, "device.png");
-                CreateDefaultIconIfNotExists(resourcesDir, "folder.png");
-                CreateDefaultIconIfNotExists(resourcesDir, "db.png");
-                CreateDefaultIconIfNotExists(resourcesDir, "fb.png");
-                CreateDefaultIconIfNotExists(resourcesDir, "fc.png");
-                CreateDefaultIconIfNotExists(resourcesDir, "ob.png");
-                CreateDefaultIconIfNotExists(resourcesDir, "symbol.png");
-                CreateDefaultIconIfNotExists(resourcesDir, "default.png");
-            }
-            catch (Exception)
-            {
-                // Ignorar errores en la creación de recursos - no son críticos
-            }
-        }
-
-        private void CreateDefaultIconIfNotExists(string directory, string filename)
-        {
-            string filePath = Path.Combine(directory, filename);
-            if (!File.Exists(filePath))
-            {
-                // Crear un ícono simple - en una aplicación real, incluirías recursos reales
-                BitmapSource bmp = BitmapSource.Create(16, 16, 96, 96, System.Windows.Media.PixelFormats.Bgr32, null, new byte[16 * 16 * 4], 16 * 4);
-
-                using (var fileStream = new FileStream(filePath, FileMode.Create))
-                {
-                    BitmapEncoder encoder = new PngBitmapEncoder();
-                    encoder.Frames.Add(BitmapFrame.Create(bmp));
-                    encoder.Save(fileStream);
-                }
-            }
-        }
-
-        private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
-        {
-            HandleException(e.ExceptionObject as Exception);
-        }
-
-        private void Current_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
-        {
-            HandleException(e.Exception);
-            e.Handled = true;
-        }
-
-        private void HandleException(Exception ex)
-        {
-            if (ex == null) return;
-
-            MessageBox.Show($"Ha ocurrido un error inesperado: {ex.Message}\n\nDetalles: {ex.StackTrace}",
-                           "Error", MessageBoxButton.OK, MessageBoxImage.Error);
-
-            // Aquí podrías añadir registro de errores
-        }
     }
 }

Helpers/SearchHelper.cs

@@ -0,0 +1,143 @@
+using S7Explorer.Models;
+using S7Explorer.Services;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
+
+namespace S7Explorer.Helpers
+{
+    public class SearchHelper
+    {
+        private readonly LogService _logService;
+
+        public SearchHelper()
+        {
+            _logService = LogService.Instance;
+        }
+
+        public List<SearchResult> Search(ProjectStructure project, string searchText, bool caseSensitive, bool useRegex)
+        {
+            _logService.LogInfo($"Searching for '{searchText}' (Case sensitive: {caseSensitive}, Regex: {useRegex})");
+
+            List<SearchResult> results = new List<SearchResult>();
+
+            try
+            {
+                if (string.IsNullOrWhiteSpace(searchText))
+                    return results;
+
+                // Prepare regex if needed
+                Regex? regex = null;
+                if (useRegex)
+                {
+                    try
+                    {
+                        RegexOptions options = caseSensitive ? RegexOptions.None : RegexOptions.IgnoreCase;
+                        regex = new Regex(searchText, options);
+                    }
+                    catch (Exception ex)
+                    {
+                        _logService.LogError($"Invalid regex pattern: {ex.Message}");
+                        return results;
+                    }
+                }
+
+                // Search blocks
+                SearchProjectItem(project.BlocksFolder, results, searchText, caseSensitive, regex);
+
+                // Search symbols
+                SearchProjectItem(project.SymbolsFolder, results, searchText, caseSensitive, regex);
+
+                // Search hardware
+                SearchProjectItem(project.HardwareFolder, results, searchText, caseSensitive, regex);
+
+                _logService.LogInfo($"Found {results.Count} results");
+                return results;
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error during search: {ex.Message}");
+                return results;
+            }
+        }
+
+        private void SearchProjectItem(ProjectItem item, List<SearchResult> results, string searchText,
+            bool caseSensitive, Regex? regex)
+        {
+            // Check name
+            bool nameMatch = MatchesSearch(item.Name, searchText, caseSensitive, regex);
+
+            // For blocks, check content and comments
+            bool contentMatch = false;
+            if (item is BlockItem blockItem)
+            {
+                contentMatch = MatchesSearch(blockItem.BlockContent, searchText, caseSensitive, regex) ||
+                               MatchesSearch(blockItem.BlockComment, searchText, caseSensitive, regex);
+            }
+
+            // For symbols, check address, type, and comment
+            else if (item is SymbolItem symbolItem)
+            {
+                contentMatch = MatchesSearch(symbolItem.SymbolAddress, searchText, caseSensitive, regex) ||
+                               MatchesSearch(symbolItem.SymbolDataType, searchText, caseSensitive, regex) ||
+                               MatchesSearch(symbolItem.SymbolComment, searchText, caseSensitive, regex);
+            }
+
+            // For hardware, check module info
+            else if (item is HardwareItem hardwareItem)
+            {
+                contentMatch = MatchesSearch(hardwareItem.ModuleType, searchText, caseSensitive, regex) ||
+                               MatchesSearch(hardwareItem.OrderNumber, searchText, caseSensitive, regex) ||
+                               MatchesSearch(hardwareItem.Position, searchText, caseSensitive, regex) ||
+                               MatchesSearch(hardwareItem.Address, searchText, caseSensitive, regex);
+            }
+
+            if (nameMatch || contentMatch)
+            {
+                results.Add(new SearchResult
+                {
+                    Item = item,
+                    MatchType = nameMatch ? (contentMatch ? MatchType.Both : MatchType.Name) : MatchType.Content
+                });
+            }
+
+            // Search children recursively
+            foreach (var child in item.Children)
+            {
+                SearchProjectItem(child, results, searchText, caseSensitive, regex);
+            }
+        }
+
+        private bool MatchesSearch(string text, string searchText, bool caseSensitive, Regex? regex)
+        {
+            if (string.IsNullOrEmpty(text))
+                return false;
+
+            if (regex != null)
+                return regex.IsMatch(text);
+
+            return caseSensitive
+                ? text.Contains(searchText)
+                : text.ToLower().Contains(searchText.ToLower());
+        }
+    }
+
+    public class SearchResult
+    {
+        public ProjectItem Item { get; set; } = null!;
+        public MatchType MatchType { get; set; }
+
+        public override string ToString()
+        {
+            return $"{Item.Name} - {MatchType}";
+        }
+    }
+
+    public enum MatchType
+    {
+        Name,
+        Content,
+        Both
+    }
+}

Helpers/TreeViewHelper.cs

@@ -0,0 +1,98 @@
+using S7Explorer.Models;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+
+namespace S7Explorer.Helpers
+{
+    public static class TreeViewHelper
+    {
+        public static ProjectItem? FindItemByPath(ObservableCollection<ProjectItem> items, string path)
+        {
+            if (string.IsNullOrEmpty(path))
+                return null;
+
+            string[] parts = path.Split('/');
+            return FindItemByParts(items, parts, 0);
+        }
+
+        private static ProjectItem? FindItemByParts(IEnumerable<ProjectItem> items, string[] parts, int level)
+        {
+            if (level >= parts.Length)
+                return null;
+
+            var matchingItem = items.FirstOrDefault(i => i.Name == parts[level]);
+            if (matchingItem == null)
+                return null;
+
+            if (level == parts.Length - 1)
+                return matchingItem;
+
+            return FindItemByParts(matchingItem.Children, parts, level + 1);
+        }
+
+        public static ProjectItem? FindItemByName(ObservableCollection<ProjectItem> items, string name)
+        {
+            foreach (var item in items)
+            {
+                if (item.Name == name)
+                    return item;
+
+                var found = FindItemByName(item.Children, name);
+                if (found != null)
+                    return found;
+            }
+
+            return null;
+        }
+
+        public static List<ProjectItem> FindItemsByText(ObservableCollection<ProjectItem> items, string text)
+        {
+            List<ProjectItem> results = new List<ProjectItem>();
+            FindItemsByTextRecursive(items, text.ToLower(), results);
+            return results;
+        }
+
+        private static void FindItemsByTextRecursive(IEnumerable<ProjectItem> items, string text, List<ProjectItem> results)
+        {
+            foreach (var item in items)
+            {
+                if (item.Name.ToLower().Contains(text))
+                    results.Add(item);
+
+                FindItemsByTextRecursive(item.Children, text, results);
+            }
+        }
+
+        public static void ExpandToItem(ProjectItem item)
+        {
+            // Expand all parent items to make the item visible
+            ProjectItem? current = item.Parent;
+            while (current != null)
+            {
+                current.IsExpanded = true;
+                current = current.Parent;
+            }
+        }
+
+        public static void ExpandAll(ProjectItem item)
+        {
+            item.IsExpanded = true;
+
+            foreach (var child in item.Children)
+            {
+                ExpandAll(child);
+            }
+        }
+
+        public static void CollapseAll(ProjectItem item)
+        {
+            item.IsExpanded = false;
+
+            foreach (var child in item.Children)
+            {
+                CollapseAll(child);
+            }
+        }
+    }
+}

LinqExtensions.cs

@@ -1,69 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-
-namespace S7Explorer
-{
-    /// <summary>
-    /// Extensiones LINQ para funcionalidades específicas de la aplicación
-    /// </summary>
-    public static class LinqExtensions
-    {
-        /// <summary>
-        /// Cuenta elementos en una colección que cumplen un predicado
-        /// </summary>
-        public static int Count<T>(this IEnumerable<T> source, Func<T, bool> predicate)
-        {
-            if (source == null)
-                return 0;
-
-            return source.Where(predicate).Count();
-        }
-
-        /// <summary>
-        /// Verifica si una colección contiene al menos un elemento
-        /// </summary>
-        public static bool Any<T>(this IEnumerable<T> source)
-        {
-            if (source == null)
-                return false;
-
-            return source.Any(item => true);
-        }
-
-        /// <summary>
-        /// Verifica si una colección contiene al menos un elemento que cumpla un predicado
-        /// </summary>
-        public static bool Any<T>(this IEnumerable<T> source, Func<T, bool> predicate)
-        {
-            if (source == null)
-                return false;
-
-            using (var enumerator = source.GetEnumerator())
-            {
-                while (enumerator.MoveNext())
-                {
-                    if (predicate(enumerator.Current))
-                        return true;
-                }
-            }
-
-            return false;
-        }
-
-        /// <summary>
-        /// Selecciona elementos de una colección que cumplen un predicado
-        /// </summary>
-        public static IEnumerable<T> Where<T>(this IEnumerable<T> source, Func<T, bool> predicate)
-        {
-            if (source == null)
-                yield break;
-
-            foreach (var item in source)
-            {
-                if (predicate(item))
-                    yield return item;
-            }
-        }
-    }
-}

MainWindow.xaml

@@ -0,0 +1,126 @@
+<Window x:Class="S7Explorer.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:S7Explorer"
+        xmlns:xctk="http://schemas.xceed.com/wpf/xaml/toolkit" mc:Ignorable="d" Title="S7 Project Explorer" Height="700"
+        Width="1000" WindowStartupLocation="CenterScreen">
+
+    <Window.Resources>
+        <!-- Icon Converter -->
+        <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
+
+        <!-- HierarchicalDataTemplate for TreeView Items -->
+        <HierarchicalDataTemplate x:Key="ProjectItemTemplate" ItemsSource="{Binding Children}">
+            <StackPanel Orientation="Horizontal">
+                <TextBlock Text="{Binding Name}" Margin="5,0,0,0" />
+            </StackPanel>
+        </HierarchicalDataTemplate>
+
+        <!-- Log Entry Template -->
+        <DataTemplate x:Key="LogEntryTemplate">
+            <TextBlock Text="{Binding}" />
+        </DataTemplate>
+    </Window.Resources>
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="120" />
+        </Grid.RowDefinitions>
+
+        <!-- Toolbar -->
+        <ToolBar Grid.Row="0">
+            <Button Content="Load Project" Command="{Binding LoadProjectCommand}"
+                    ToolTip="Load a Siemens S7 project file (.s7p)" Style="{StaticResource ToolbarButtonStyle}" />
+            <Button Content="Reload" Command="{Binding ReloadProjectCommand}" ToolTip="Reload the current project"
+                    Style="{StaticResource ToolbarButtonStyle}" IsEnabled="{Binding IsProjectLoaded}" />
+            <Separator />
+            <Button Content="Export" Command="{Binding ExportDocumentationCommand}"
+                    ToolTip="Export project documentation to a file" Style="{StaticResource ToolbarButtonStyle}"
+                    IsEnabled="{Binding IsProjectLoaded}" />
+            <Separator />
+            <Label Content="Search:" VerticalAlignment="Center" />
+            <TextBox Width="200" Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}"
+                    VerticalAlignment="Center" Margin="5" />
+            <Button Content="Find" Command="{Binding SearchCommand}" ToolTip="Search in project"
+                    Style="{StaticResource ToolbarButtonStyle}" IsEnabled="{Binding IsProjectLoaded}" />
+            <CheckBox Content="Case Sensitive" VerticalAlignment="Center" Margin="5"
+                    IsChecked="{Binding IsCaseSensitive}" />
+            <CheckBox Content="Regex" VerticalAlignment="Center" Margin="5" IsChecked="{Binding UseRegex}" />
+        </ToolBar>
+
+        <!-- Main Content -->
+        <Grid Grid.Row="1">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="350" />
+                <ColumnDefinition Width="5" />
+                <ColumnDefinition Width="*" />
+            </Grid.ColumnDefinitions>
+
+            <!-- Project Explorer Tree -->
+            <DockPanel Grid.Column="0">
+                <ToolBar DockPanel.Dock="Top">
+                    <Button Content="Expand All" Command="{Binding ExpandAllCommand}" ToolTip="Expand all tree nodes"
+                            Style="{StaticResource ToolbarButtonStyle}" IsEnabled="{Binding IsProjectLoaded}" />
+                    <Button Content="Collapse All" Command="{Binding CollapseAllCommand}"
+                            ToolTip="Collapse all tree nodes" Style="{StaticResource ToolbarButtonStyle}"
+                            IsEnabled="{Binding IsProjectLoaded}" />
+                </ToolBar>
+
+                <TreeView ItemsSource="{Binding ProjectStructure}" ItemTemplate="{StaticResource ProjectItemTemplate}"
+                        SelectedItemChanged="TreeView_SelectedItemChanged" VirtualizingPanel.IsVirtualizing="True"
+                        VirtualizingPanel.VirtualizationMode="Recycling">
+                </TreeView>
+            </DockPanel>
+
+            <!-- Splitter -->
+            <GridSplitter Grid.Column="1" Width="5" HorizontalAlignment="Stretch" />
+
+            <!-- Property Grid -->
+            <xctk:PropertyGrid Grid.Column="2" SelectedObject="{Binding SelectedItemDetails}"
+                    AutoGenerateProperties="True" IsReadOnly="True" ShowSearchBox="True" ShowSortOptions="True"
+                    ShowTitle="True" ShowAdvancedOptions="False" />
+        </Grid>
+
+        <!-- Status Bar -->
+        <StatusBar Grid.Row="2">
+            <StatusBarItem>
+                <TextBlock Text="{Binding ProjectPath}" Style="{StaticResource StatusTextStyle}" />
+            </StatusBarItem>
+            <Separator />
+            <StatusBarItem>
+                <TextBlock Text="{Binding SelectedItem.Name, StringFormat=Selected: {0}}"
+                        Style="{StaticResource StatusTextStyle}" />
+            </StatusBarItem>
+            <StatusBarItem HorizontalAlignment="Right">
+                <ProgressBar Width="100" Height="15" IsIndeterminate="{Binding IsLoading}"
+                        Visibility="{Binding IsLoading, Converter={StaticResource BooleanToVisibilityConverter}}" />
+            </StatusBarItem>
+        </StatusBar>
+
+        <!-- Log View -->
+        <DockPanel Grid.Row="3">
+            <ToolBar DockPanel.Dock="Top">
+                <Label Content="Log:" VerticalAlignment="Center" />
+                <Button Content="Clear" Command="{Binding ClearLogCommand}" ToolTip="Clear log messages"
+                        Style="{StaticResource ToolbarButtonStyle}" />
+            </ToolBar>
+
+            <ListView ItemsSource="{Binding LogEntries}" ItemTemplate="{StaticResource LogEntryTemplate}"
+                    ScrollViewer.VerticalScrollBarVisibility="Auto" ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                    VirtualizingPanel.IsVirtualizing="True" VirtualizingPanel.VirtualizationMode="Recycling">
+            </ListView>
+        </DockPanel>
+
+        <!-- Loading Overlay -->
+        <Grid Grid.RowSpan="4" Visibility="{Binding IsLoading, Converter={StaticResource BooleanToVisibilityConverter}}">
+            <Rectangle Fill="Black" Opacity="0.3" />
+            <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
+                <TextBlock Text="Loading..." FontSize="20" Foreground="White" />
+                <ProgressBar Width="200" Height="20" IsIndeterminate="True" Margin="0,10,0,0" />
+            </StackPanel>
+        </Grid>
+    </Grid>
+</Window>

MainWindow.xaml.cs

@@ -0,0 +1,96 @@
+using S7Explorer.Models;
+using S7Explorer.Services;
+using S7Explorer.ViewModels;
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Media;
+
+namespace S7Explorer
+{
+    public enum LogLevel
+    {
+        Debug,
+        Info,
+        Warning,
+        Error
+    }
+
+    public class LogEntry
+    {
+        public DateTime Timestamp { get; set; }
+        public LogLevel Level { get; set; }
+        public string Message { get; set; } = string.Empty;
+
+        public override string ToString()
+        {
+            return $"[{Timestamp:yyyy-MM-dd HH:mm:ss}] [{Level}] {Message}";
+        }
+    }
+
+    public partial class MainWindow : Window
+    {
+        private MainViewModel ViewModel;
+
+        public MainWindow()
+        {
+            InitializeComponent();
+            ViewModel = new MainViewModel();
+            DataContext = ViewModel;
+        }
+
+        private void TreeView_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
+        {
+            if (e.NewValue is ProjectItem item)
+            {
+                ViewModel.SelectedItem = item;
+            }
+        }
+    }
+
+    public class IconConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (value is string iconName)
+            {
+                // In a real application, return an actual image based on the icon name
+                // Here we're just returning a placeholder
+                return null;
+            }
+
+            return null;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+
+    public class LogLevelConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (value is LogLevel level)
+            {
+                return level switch
+                {
+                    LogLevel.Debug => Brushes.Gray,
+                    LogLevel.Info => Brushes.Black,
+                    LogLevel.Warning => Brushes.Orange,
+                    LogLevel.Error => Brushes.Red,
+                    _ => Brushes.Black
+                };
+            }
+
+            return Brushes.Black;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

Models/BlockItem.cs

@@ -0,0 +1,64 @@
+using System.Text;
+using DotNetSiemensPLCToolBoxLibrary.DataTypes.Blocks;
+using DotNetSiemensPLCToolBoxLibrary.DataTypes.Blocks.Step7V5;
+
+namespace S7Explorer.Models
+{
+    public class BlockItem : ProjectItem
+    {
+        public ProjectBlockInfo? BlockInfo { get; set; }
+        public S7Block? BlockData { get; set; }
+        public string BlockType { get; set; } = string.Empty;
+        public int BlockNumber { get; set; }
+        public string BlockComment { get; set; } = string.Empty;
+        public string BlockContent { get; set; } = string.Empty;
+
+        // Override to provide block-specific object for property grid
+        public override object? GetDetailsObject()
+        {
+            return BlockData;
+        }
+
+        // Override to provide the appropriate icon
+        public override string GetIcon()
+        {
+            return BlockType switch
+            {
+                "OB" => "OB",
+                "FC" => "FC",
+                "FB" => "FB",
+                "DB" => "DB",
+                "UDT" => "UDT",
+                "SFC" => "SFC",
+                "SFB" => "SFB",
+                _ => "Block"
+            };
+        }
+
+        // Generate export text for documentation
+        public override string GetExportText()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.AppendLine($"Block: {Name}");
+            sb.AppendLine($"Type: {BlockType}{BlockNumber}");
+
+            if (!string.IsNullOrEmpty(BlockComment))
+                sb.AppendLine($"Comment: {BlockComment}");
+
+            if (BlockData != null)
+            {
+                sb.AppendLine($"Author: {BlockData.Author}");
+                sb.AppendLine($"Family: {BlockData.Family}");
+                sb.AppendLine($"Version: {BlockData.Version}");
+                sb.AppendLine($"Last Modified: {BlockData.LastCodeChange}");
+            }
+
+            sb.AppendLine();
+            sb.AppendLine("// Block Content");
+            sb.AppendLine(BlockContent);
+            sb.AppendLine();
+
+            return sb.ToString();
+        }
+    }
+}

Models/ExportSettings.cs

@@ -0,0 +1,65 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace S7Explorer.Models
+{
+    public class ExportSettings : ObservableObject
+    {
+        private bool _exportBlocks = true;
+        private bool _exportSymbols = true;
+        private bool _exportHardware = true;
+        private bool _includeBlockCode = true;
+        private bool _includeComments = true;
+        private string _exportPath = string.Empty;
+        private ExportFormat _exportFormat = ExportFormat.PlainText;
+
+        public bool ExportBlocks
+        {
+            get => _exportBlocks;
+            set => SetProperty(ref _exportBlocks, value);
+        }
+
+        public bool ExportSymbols
+        {
+            get => _exportSymbols;
+            set => SetProperty(ref _exportSymbols, value);
+        }
+
+        public bool ExportHardware
+        {
+            get => _exportHardware;
+            set => SetProperty(ref _exportHardware, value);
+        }
+
+        public bool IncludeBlockCode
+        {
+            get => _includeBlockCode;
+            set => SetProperty(ref _includeBlockCode, value);
+        }
+
+        public bool IncludeComments
+        {
+            get => _includeComments;
+            set => SetProperty(ref _includeComments, value);
+        }
+
+        public string ExportPath
+        {
+            get => _exportPath;
+            set => SetProperty(ref _exportPath, value);
+        }
+
+        public ExportFormat ExportFormat
+        {
+            get => _exportFormat;
+            set => SetProperty(ref _exportFormat, value);
+        }
+    }
+
+    public enum ExportFormat
+    {
+        PlainText,
+        MarkDown,
+        HTML,
+        JSON
+    }
+}

Models/HardwareItem.cs

@@ -0,0 +1,40 @@
+using System.Text;
+
+namespace S7Explorer.Models
+{
+    public class HardwareItem : ProjectItem
+    {
+        public string ModuleType { get; set; } = string.Empty;
+        public string OrderNumber { get; set; } = string.Empty;
+        public string HardwareVersion { get; set; } = string.Empty;
+        public string FirmwareVersion { get; set; } = string.Empty;
+        public string Position { get; set; } = string.Empty;
+        public string Address { get; set; } = string.Empty;
+        public object? HardwareData { get; set; }
+
+        public override object? GetDetailsObject()
+        {
+            return HardwareData;
+        }
+
+        public override string GetIcon()
+        {
+            return "Hardware";
+        }
+
+        public override string GetExportText()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.AppendLine($"Hardware: {Name}");
+            sb.AppendLine($"Type: {ModuleType}");
+            sb.AppendLine($"Order Number: {OrderNumber}");
+            sb.AppendLine($"Hardware Version: {HardwareVersion}");
+            sb.AppendLine($"Firmware Version: {FirmwareVersion}");
+            sb.AppendLine($"Position: {Position}");
+            sb.AppendLine($"Address: {Address}");
+            sb.AppendLine();
+
+            return sb.ToString();
+        }
+    }
+}

Models/ProjectItem.cs

@@ -0,0 +1,72 @@
+using System.Collections.ObjectModel;
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace S7Explorer.Models
+{
+    // Base class for all project items
+    public class ProjectItem : ObservableObject
+    {
+        private string _name = string.Empty;
+        private string _path = string.Empty;
+        private ProjectItem? _parent;
+        private ObservableCollection<ProjectItem> _children = new();
+        private bool _isExpanded;
+        private bool _isSelected;
+
+        public string Name
+        {
+            get => _name;
+            set => SetProperty(ref _name, value);
+        }
+
+        public string Path
+        {
+            get => _path;
+            set => SetProperty(ref _path, value);
+        }
+
+        public ProjectItem? Parent
+        {
+            get => _parent;
+            set => SetProperty(ref _parent, value);
+        }
+
+        public ObservableCollection<ProjectItem> Children
+        {
+            get => _children;
+            set => SetProperty(ref _children, value);
+        }
+
+        public bool IsExpanded
+        {
+            get => _isExpanded;
+            set => SetProperty(ref _isExpanded, value);
+        }
+
+        public bool IsSelected
+        {
+            get => _isSelected;
+            set => SetProperty(ref _isSelected, value);
+        }
+
+        public virtual object? GetDetailsObject()
+        {
+            return null;
+        }
+
+        public virtual string GetIcon()
+        {
+            return "FolderClosed";
+        }
+
+        public virtual string GetExportText()
+        {
+            return $"Item: {Name}\r\n";
+        }
+
+        public override string ToString()
+        {
+            return Name;
+        }
+    }
+}

Models/ProjectStructure.cs

@@ -0,0 +1,56 @@
+using DotNetSiemensPLCToolBoxLibrary.Projectfiles;
+using System.Collections.ObjectModel;
+using System.Text;
+
+namespace S7Explorer.Models
+{
+    public class ProjectStructure : ProjectItem
+    {
+        public Project? ProjectData { get; set; }
+        public string ProjectPath { get; set; } = string.Empty;
+        public string ProjectVersion { get; set; } = string.Empty;
+        public DateTime CreationDate { get; set; }
+        public DateTime LastModifiedDate { get; set; }
+
+        public ProjectItem BlocksFolder { get; } = new ProjectItem { Name = "Blocks" };
+        public ProjectItem SymbolsFolder { get; } = new ProjectItem { Name = "Symbols" };
+        public ProjectItem HardwareFolder { get; } = new ProjectItem { Name = "Hardware" };
+
+        public ProjectStructure()
+        {
+            Name = "Project";
+            Children.Add(BlocksFolder);
+            Children.Add(SymbolsFolder);
+            Children.Add(HardwareFolder);
+        }
+
+        public override object? GetDetailsObject()
+        {
+            return new
+            {
+                ProjectPath,
+                ProjectVersion,
+                CreationDate,
+                LastModifiedDate
+            };
+        }
+
+        public override string GetIcon()
+        {
+            return "Project";
+        }
+
+        public override string GetExportText()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.AppendLine($"Project: {Name}");
+            sb.AppendLine($"Path: {ProjectPath}");
+            sb.AppendLine($"Version: {ProjectVersion}");
+            sb.AppendLine($"Created: {CreationDate}");
+            sb.AppendLine($"Last Modified: {LastModifiedDate}");
+            sb.AppendLine();
+
+            return sb.ToString();
+        }
+    }
+}

Models/S7Block.cs

@@ -1,150 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using Newtonsoft.Json;
-
-namespace S7Explorer.Models
-{
-    public class S7Block : S7Object
-    {
-        private string _authorName;
-        private string _family;
-        private string _version;
-        private DateTime? _modified;
-        private int _size;
-        private string _language;
-
-        [DisplayName("Autor")]
-        public string AuthorName
-        {
-            get => _authorName;
-            set
-            {
-                if (_authorName != value)
-                {
-                    _authorName = value;
-                    OnPropertyChanged(nameof(AuthorName));
-                }
-            }
-        }
-
-        [DisplayName("Familia")]
-        public string Family
-        {
-            get => _family;
-            set
-            {
-                if (_family != value)
-                {
-                    _family = value;
-                    OnPropertyChanged(nameof(Family));
-                }
-            }
-        }
-
-        [DisplayName("Versión")]
-        public string Version
-        {
-            get => _version;
-            set
-            {
-                if (_version != value)
-                {
-                    _version = value;
-                    OnPropertyChanged(nameof(Version));
-                }
-            }
-        }
-
-        [DisplayName("Modificado")]
-        public DateTime? Modified
-        {
-            get => _modified;
-            set
-            {
-                if (_modified != value)
-                {
-                    _modified = value;
-                    OnPropertyChanged(nameof(Modified));
-                }
-            }
-        }
-
-        [DisplayName("Tamaño (bytes)")]
-        public int Size
-        {
-            get => _size;
-            set
-            {
-                if (_size != value)
-                {
-                    _size = value;
-                    OnPropertyChanged(nameof(Size));
-                }
-            }
-        }
-
-        [DisplayName("Lenguaje")]
-        public string Language
-        {
-            get => _language;
-            set
-            {
-                if (_language != value)
-                {
-                    _language = value;
-                    OnPropertyChanged(nameof(Language));
-                }
-            }
-        }
-
-        public S7Block()
-        {
-            // Establece valores predeterminados específicos para bloques
-        }
-    }
-
-    public class S7DataBlock : S7Block
-    {
-        private bool _instanceDb;
-
-        [DisplayName("Es DB de Instancia")]
-        public bool IsInstanceDb
-        {
-            get => _instanceDb;
-            set
-            {
-                if (_instanceDb != value)
-                {
-                    _instanceDb = value;
-                    OnPropertyChanged(nameof(IsInstanceDb));
-                }
-            }
-        }
-
-        public S7DataBlock()
-        {
-            ObjectType = S7ObjectType.DataBlock;
-        }
-    }
-
-    public class S7FunctionBlock : S7Block
-    {
-        public S7FunctionBlock()
-        {
-            ObjectType = S7ObjectType.FunctionBlock;
-        }
-    }
-
-    /// <summary>
-    /// Clase para representar un parámetro de función
-    /// </summary>
-    public class FunctionParameter
-    {
-        public string Name { get; set; }
-        public string DataType { get; set; }
-        public string Direction { get; set; } // IN, OUT, IN/OUT
-        public string Description { get; set; }
-    }
-}

Models/S7Function.cs

@@ -1,169 +1,49 @@
 using System;
 using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using Newtonsoft.Json;
-using S7Explorer.Parsers;
+using System.Text;
+using DotNetSiemensPLCToolBoxLibrary.DataTypes.Blocks.Step7V5;
 
 namespace S7Explorer.Models
 {
-    public class S7Function : S7Block
+    public class S7Function
     {
-        private string _returnType;
-        private List<FunctionParameter> _parameters;
-        private string _interface;
-
-        [DisplayName("Tipo de Retorno")]
-        [Description("Tipo de dato que retorna la función")]
-        [Category("Interfaz")]
-        public string ReturnType
-        {
-            get => _returnType;
-            set
-            {
-                if (_returnType != value)
-                {
-                    _returnType = value;
-                    OnPropertyChanged(nameof(ReturnType));
-                }
-            }
-        }
-
-        [Browsable(false)]
-        [JsonIgnore]
-        public List<FunctionParameter> Parameters
-        {
-            get => _parameters;
-            set
-            {
-                if (_parameters != value)
-                {
-                    _parameters = value;
-                    OnPropertyChanged(nameof(Parameters));
-
-                    // Actualizar la interfaz formateada cuando se cambian los parámetros
-                    UpdateFormattedInterface();
-                }
-            }
-        }
-
-        [DisplayName("Interfaz")]
-        [Description("Interfaz de la función con sus parámetros")]
-        [Category("Interfaz")]
-        [EditorAttribute(typeof(System.ComponentModel.Design.MultilineStringEditor),
-                        typeof(System.Drawing.Design.UITypeEditor))]
-        public string Interface
-        {
-            get => _interface;
-            set
-            {
-                if (_interface != value)
-                {
-                    _interface = value;
-                    OnPropertyChanged(nameof(Interface));
-                }
-            }
-        }
-
-        // Propiedades adicionales específicas de FC
-
-        [DisplayName("Parámetros de Entrada")]
-        [Description("Número de parámetros de entrada")]
-        [Category("Estadísticas")]
-        public int InputParameterCount =>
-            Parameters?.Count(p => p.Direction == "IN") ?? 0;
-
-        [DisplayName("Parámetros de Salida")]
-        [Description("Número de parámetros de salida")]
-        [Category("Estadísticas")]
-        public int OutputParameterCount =>
-            Parameters?.Count(p => p.Direction == "OUT") ?? 0;
-
-        [DisplayName("Parámetros IN/OUT")]
-        [Description("Número de parámetros de entrada/salida")]
-        [Category("Estadísticas")]
-        public int InOutParameterCount =>
-            Parameters?.Count(p => p.Direction == "IN/OUT") ?? 0;
-
-        [DisplayName("Total Parámetros")]
-        [Description("Número total de parámetros")]
-        [Category("Estadísticas")]
-        public int TotalParameterCount =>
-            Parameters?.Count ?? 0;
+        public S7Block Block { get; set; }
+        public string Name { get; set; }
+        public string Description { get; set; }
+        public List<S7FunctionParameter> Parameters { get; set; } = new List<S7FunctionParameter>();
+        public string Code { get; set; }
 
         public S7Function()
         {
-            ObjectType = S7ObjectType.Function;
-            Parameters = new List<FunctionParameter>();
         }
 
-        /// <summary>
-        /// Actualiza la representación formateada de la interfaz basada en los parámetros
-        /// </summary>
-        private void UpdateFormattedInterface()
+        public S7Function(S7Block block)
         {
-            if (Parameters == null || Parameters.Count == 0)
-            {
-                Interface = "// No hay parámetros definidos";
-                return;
-            }
+            Block = block;
+            Name = block?.Name ?? string.Empty;
+            Description = block?.Title ?? string.Empty;
 
-            var builder = new System.Text.StringBuilder();
+            // Code would need to be extracted from the block
+            // This is just a placeholder
+            Code = "// Function code would be extracted here";
+        }
 
-            // Agrupar por dirección
-            var inputParams = Parameters.Where(p => p.Direction == "IN").ToList();
-            var outputParams = Parameters.Where(p => p.Direction == "OUT").ToList();
-            var inOutParams = Parameters.Where(p => p.Direction == "IN/OUT").ToList();
+        public override string ToString()
+        {
+            return Name;
+        }
+    }
 
-            // Añadir tipo de retorno
-            builder.AppendLine($"FUNCTION {Name} : {ReturnType ?? "VOID"}");
-            builder.AppendLine();
+    public class S7FunctionParameter
+    {
+        public string Name { get; set; }
+        public string DataType { get; set; }
+        public string Comment { get; set; }
+        public string Direction { get; set; } // IN, OUT, IN_OUT
 
-            // Añadir parámetros de entrada
-            if (inputParams.Any())
-            {
-                builder.AppendLine("VAR_INPUT");
-                foreach (var param in inputParams)
-                {
-                    builder.Append($"    {param.Name} : {param.DataType}");
-                    if (!string.IsNullOrEmpty(param.Description))
-                        builder.Append($"; // {param.Description}");
-                    builder.AppendLine();
-                }
-                builder.AppendLine("END_VAR");
-                builder.AppendLine();
-            }
-
-            // Añadir parámetros de salida
-            if (outputParams.Any())
-            {
-                builder.AppendLine("VAR_OUTPUT");
-                foreach (var param in outputParams)
-                {
-                    builder.Append($"    {param.Name} : {param.DataType}");
-                    if (!string.IsNullOrEmpty(param.Description))
-                        builder.Append($"; // {param.Description}");
-                    builder.AppendLine();
-                }
-                builder.AppendLine("END_VAR");
-                builder.AppendLine();
-            }
-
-            // Añadir parámetros de entrada/salida
-            if (inOutParams.Any())
-            {
-                builder.AppendLine("VAR_IN_OUT");
-                foreach (var param in inOutParams)
-                {
-                    builder.Append($"    {param.Name} : {param.DataType}");
-                    if (!string.IsNullOrEmpty(param.Description))
-                        builder.Append($"; // {param.Description}");
-                    builder.AppendLine();
-                }
-                builder.AppendLine("END_VAR");
-            }
-
-            Interface = builder.ToString();
+        public override string ToString()
+        {
+            return $"{Direction} {Name} : {DataType}";
         }
     }
 }

Models/S7Object.cs

@@ -1,120 +0,0 @@
-using System.Collections.ObjectModel;
-using System.ComponentModel;
-using Newtonsoft.Json;
-
-namespace S7Explorer.Models
-{
-    public enum S7ObjectType
-    {
-        Project,
-        Device,
-        Folder,
-        DataBlock,
-        FunctionBlock,
-        Function,
-        Organization,
-        Symbol
-    }
-
-    public class S7Object : INotifyPropertyChanged
-    {
-        private string _name;
-        private string _description;
-        private bool _isExpanded;
-
-        public string Id { get; set; }
-        public string Number { get; set; }
-
-        [DisplayName("Nombre")]
-        public string Name
-        {
-            get => _name;
-            set
-            {
-                if (_name != value)
-                {
-                    _name = value;
-                    OnPropertyChanged(nameof(Name));
-                }
-            }
-        }
-
-        [DisplayName("Descripción")]
-        public string Description
-        {
-            get => _description;
-            set
-            {
-                if (_description != value)
-                {
-                    _description = value;
-                    OnPropertyChanged(nameof(Description));
-                }
-            }
-        }
-
-        [Browsable(false)]
-        public S7ObjectType ObjectType { get; set; }
-
-        [Browsable(false)]
-        public string IconSource => GetIconPath();
-
-        [Browsable(false)]
-        [JsonIgnore]
-        public S7Object Parent { get; set; }
-
-        [Browsable(false)]
-        public ObservableCollection<S7Object> Children { get; set; } = new ObservableCollection<S7Object>();
-
-        [Browsable(false)]
-        public bool IsExpanded
-        {
-            get => _isExpanded;
-            set
-            {
-                if (_isExpanded != value)
-                {
-                    _isExpanded = value;
-                    OnPropertyChanged(nameof(IsExpanded));
-                }
-            }
-        }
-
-        // Para búsquedas de texto
-        [Browsable(false)]
-        public bool ContainsText(string searchText)
-        {
-            if (string.IsNullOrWhiteSpace(searchText))
-                return false;
-
-            searchText = searchText.ToLowerInvariant();
-
-            return Name?.ToLowerInvariant().Contains(searchText) == true ||
-                   Description?.ToLowerInvariant().Contains(searchText) == true ||
-                   Number?.ToLowerInvariant().Contains(searchText) == true;
-        }
-
-        private string GetIconPath()
-        {
-            return ObjectType switch
-            {
-                S7ObjectType.Project => "/Resources/project.png",
-                S7ObjectType.Device => "/Resources/device.png",
-                S7ObjectType.Folder => "/Resources/folder.png",
-                S7ObjectType.DataBlock => "/Resources/db.png",
-                S7ObjectType.FunctionBlock => "/Resources/fb.png",
-                S7ObjectType.Function => "/Resources/fc.png",
-                S7ObjectType.Organization => "/Resources/ob.png",
-                S7ObjectType.Symbol => "/Resources/symbol.png",
-                _ => "/Resources/default.png"
-            };
-        }
-
-        public event PropertyChangedEventHandler PropertyChanged;
-
-        protected virtual void OnPropertyChanged(string propertyName)
-        {
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-        }
-    }
-}

Models/S7Project.cs

@@ -1,96 +0,0 @@
-using System;
-using System.ComponentModel;
-using System.IO;
-
-namespace S7Explorer.Models
-{
-    public class S7Project : S7Object
-    {
-        private string _filePath;
-        private string _version;
-        private DateTime _created;
-        private DateTime _lastModified;
-
-        [DisplayName("Ruta de Archivo")]
-        public string FilePath
-        {
-            get => _filePath;
-            set
-            {
-                if (_filePath != value)
-                {
-                    _filePath = value;
-                    OnPropertyChanged(nameof(FilePath));
-                }
-            }
-        }
-
-        [DisplayName("Versión STEP7")]
-        public string Version
-        {
-            get => _version;
-            set
-            {
-                if (_version != value)
-                {
-                    _version = value;
-                    OnPropertyChanged(nameof(Version));
-                }
-            }
-        }
-
-        [DisplayName("Creado")]
-        public DateTime Created
-        {
-            get => _created;
-            set
-            {
-                if (_created != value)
-                {
-                    _created = value;
-                    OnPropertyChanged(nameof(Created));
-                }
-            }
-        }
-
-        [DisplayName("Última Modificación")]
-        public DateTime LastModified
-        {
-            get => _lastModified;
-            set
-            {
-                if (_lastModified != value)
-                {
-                    _lastModified = value;
-                    OnPropertyChanged(nameof(LastModified));
-                }
-            }
-        }
-
-        // Directorio base del proyecto (donde están las carpetas ombstx, YDBs, etc.)
-        [Browsable(false)]
-        public string ProjectDirectory => Path.GetDirectoryName(FilePath);
-
-        public S7Project()
-        {
-            ObjectType = S7ObjectType.Project;
-            Created = DateTime.Now;
-            LastModified = DateTime.Now;
-        }
-
-        // Inicializa un proyecto a partir de un archivo .s7p
-        public S7Project(string filePath) : this()
-        {
-            FilePath = filePath;
-            Name = Path.GetFileNameWithoutExtension(filePath);
-
-            // Trata de obtener fechas del archivo
-            if (File.Exists(filePath))
-            {
-                var fileInfo = new FileInfo(filePath);
-                Created = fileInfo.CreationTime;
-                LastModified = fileInfo.LastWriteTime;
-            }
-        }
-    }
-}

Models/S7Symbol.cs

@@ -1,74 +0,0 @@
-using System.ComponentModel;
-
-namespace S7Explorer.Models
-{
-    public class S7Symbol : S7Object
-    {
-        private string _address;
-        private string _dataType;
-        private string _comment;
-
-        [DisplayName("Dirección")]
-        public string Address
-        {
-            get => _address;
-            set
-            {
-                if (_address != value)
-                {
-                    _address = value;
-                    OnPropertyChanged(nameof(Address));
-                }
-            }
-        }
-
-        [DisplayName("Tipo de Datos")]
-        public string DataType
-        {
-            get => _dataType;
-            set
-            {
-                if (_dataType != value)
-                {
-                    _dataType = value;
-                    OnPropertyChanged(nameof(DataType));
-                }
-            }
-        }
-
-        [DisplayName("Comentario")]
-        public string Comment
-        {
-            get => _comment;
-            set
-            {
-                if (_comment != value)
-                {
-                    _comment = value;
-                    OnPropertyChanged(nameof(Comment));
-                }
-            }
-        }
-
-        public S7Symbol()
-        {
-            ObjectType = S7ObjectType.Symbol;
-        }
-
-        // Sobrescribe el método de búsqueda de texto para incluir dirección y tipo de datos
-        public new bool ContainsText(string searchText)
-        {
-            if (base.ContainsText(searchText))
-                return true;
-
-            if (string.IsNullOrWhiteSpace(searchText))
-                return false;
-
-            searchText = searchText.ToLowerInvariant();
-
-            return Address?.ToLowerInvariant().Contains(searchText) == true ||
-                   DataType?.ToLowerInvariant().Contains(searchText) == true ||
-                   Comment?.ToLowerInvariant().Contains(searchText) == true;
-        }
-    }
-}

Models/SymbolItem.cs

@@ -0,0 +1,37 @@
+using System.Text;
+
+namespace S7Explorer.Models
+{
+    public class SymbolItem : ProjectItem
+    {
+        public object? SymbolData { get; set; }
+        public string SymbolAddress { get; set; } = string.Empty;
+        public string SymbolDataType { get; set; } = string.Empty;
+        public string SymbolComment { get; set; } = string.Empty;
+
+        public override object? GetDetailsObject()
+        {
+            return SymbolData;
+        }
+
+        public override string GetIcon()
+        {
+            return "Symbol";
+        }
+
+        public override string GetExportText()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.AppendLine($"Symbol: {Name}");
+            sb.AppendLine($"Address: {SymbolAddress}");
+            sb.AppendLine($"Data Type: {SymbolDataType}");
+
+            if (!string.IsNullOrEmpty(SymbolComment))
+                sb.AppendLine($"Comment: {SymbolComment}");
+
+            sb.AppendLine();
+
+            return sb.ToString();
+        }
+    }
+}

Parsers/DbfParser.cs

@@ -1,139 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Text;
-using NDbfReader;
-
-namespace S7Explorer.Parsers
-{
-    public class DbfParser
-    {
-        // Lee campos específicos de un archivo DBF
-        public static List<Dictionary<string, string>> ReadDbfFile(string filePath, IEnumerable<string> fieldNames)
-        {
-            var result = new List<Dictionary<string, string>>();
-
-            if (!File.Exists(filePath))
-                throw new FileNotFoundException($"No se encontró el archivo DBF: {filePath}");
-
-            try
-            {
-                // Abrir tabla DBF con codificación específica (importante para caracteres especiales en STEP7)
-                using var stream = File.OpenRead(filePath);
-                using var table = Table.Open(stream);
-
-                // Crear lector usando la API correcta
-                var reader = table.OpenReader();
-
-                while (reader.Read())
-                {
-                    var record = new Dictionary<string, string>();
-
-                    foreach (var fieldName in fieldNames)
-                    {
-                        // Obtener valor y convertir a string si no es null
-                        var value = reader.GetValue(fieldName);
-
-                        // Manejar los diferentes tipos de datos
-                        if (value is byte[] byteValue)
-                        {
-                            // Para campos de tipo binario como MC5CODE
-                            record[fieldName] = Encoding.GetEncoding(1252).GetString(byteValue);
-                        }
-                        else if (value is DateTime dateValue)
-                        {
-                            // Mantener formato consistente para fechas
-                            record[fieldName] = dateValue.ToString("yyyy-MM-dd HH:mm:ss");
-                        }
-                        else
-                        {
-                            // Para todos los demás tipos
-                            record[fieldName] = value?.ToString() ?? string.Empty;
-                        }
-                    }
-
-                    result.Add(record);
-                }
-            }
-            catch (Exception ex)
-            {
-                throw new Exception($"Error al leer el archivo DBF {filePath}: {ex.Message}", ex);
-            }
-
-            return result;
-        }
-
-        // Convierte un string que representa un número a un entero opcional
-        public static int? StringToInt(string value)
-        {
-            if (string.IsNullOrWhiteSpace(value))
-                return null;
-
-            // Eliminar espacios y caracteres no numéricos iniciales
-            string trimmedValue = value.Trim();
-            int startIndex = 0;
-            while (startIndex < trimmedValue.Length && !char.IsDigit(trimmedValue[startIndex]))
-                startIndex++;
-
-            if (startIndex >= trimmedValue.Length)
-                return null;
-
-            // Extraer solo los dígitos
-            string numericPart = new string(trimmedValue.Substring(startIndex)
-                .TakeWhile(char.IsDigit)
-                .ToArray());
-
-            if (int.TryParse(numericPart, out int result))
-                return result;
-
-            return null;
-        }
-
-        // Convierte códigos Windows-1252 a UTF-8 para manejar caracteres especiales en STEP7
-        public static string ConvertCP1252ToUtf8(string input)
-        {
-            if (string.IsNullOrEmpty(input))
-                return string.Empty;
-
-            try
-            {
-                // Primero decodificar como Windows-1252 y luego encodear como UTF-8
-                byte[] bytes = Encoding.GetEncoding(1252).GetBytes(input);
-                return Encoding.UTF8.GetString(bytes);
-            }
-            catch
-            {
-                // En caso de error, devolver el string original
-                return input;
-            }
-        }
-
-        // Busca un archivo DBF en varias ubicaciones posibles basadas en el patrón de archivos STEP7
-        public static string FindDbfFile(string basePath, string relativePath)
-        {
-            string path = Path.Combine(basePath, relativePath);
-            if (File.Exists(path))
-                return path;
-
-            // Comprobar si se puede encontrar en un directorio padre
-            string parentPath = Directory.GetParent(basePath)?.FullName;
-            if (!string.IsNullOrEmpty(parentPath))
-            {
-                path = Path.Combine(parentPath, relativePath);
-                if (File.Exists(path))
-                    return path;
-            }
-
-            // Intentar buscar por nombre de archivo en subdirectorios
-            string fileName = Path.GetFileName(relativePath);
-            foreach (var subdir in Directory.GetDirectories(basePath, "*", SearchOption.AllDirectories))
-            {
-                path = Path.Combine(subdir, fileName);
-                if (File.Exists(path))
-                    return path;
-            }
-
-            return null;
-        }
-    }
-}

Parsers/FCParser.cs

@@ -1,439 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using S7Explorer.Models;
-
-namespace S7Explorer.Parsers
-{
-    /// <summary>
-    /// Parser específico para los bloques de función (FC) de STEP7
-    /// </summary>
-    public class FCParser
-    {
-        private readonly string _projectDirectory;
-
-        public FCParser(string projectDirectory)
-        {
-            _projectDirectory = projectDirectory;
-        }
-
-        /// <summary>
-        /// Parsea los bloques FC desde los archivos SUBBLK.DBF del proyecto
-        /// </summary>
-        /// <param name="subblockListId">ID de la lista de subbloques del dispositivo</param>
-        /// <returns>Lista de objetos S7Function representando los bloques FC</returns>
-        public List<S7Function> ParseFunctionBlocks(int subblockListId)
-        {
-            var functions = new List<S7Function>();
-
-            try
-            {
-                // Construir la ruta al archivo SUBBLK.DBF que contiene información de los bloques
-                string subblockFolder = $"{_projectDirectory}\\ombstx\\offline\\{subblockListId:X8}";
-                string subblkPath = Path.Combine(subblockFolder, "SUBBLK.DBF");
-
-                if (!File.Exists(subblkPath))
-                {
-                    return CreateSampleFunctions(); // En caso de que no exista, usar datos de muestra
-                }
-
-                // Leer datos del archivo DBF
-                var records = DbfParser.ReadDbfFile(subblkPath, new[]
-                {
-                    "SUBBLKTYP", "BLKNUMBER", "BLKNAME", "AUTHOR", "FAMILY",
-                    "VERSION", "CREATEDATE", "MODDATE", "INTERFLEN", "MC5LEN", "MC5CODE"
-                });
-
-                // Filtrar solo los registros que correspondan a FCs (tipo 00003)
-                var fcRecords = records.Where(r => r["SUBBLKTYP"] == "00003").ToList();
-
-                foreach (var record in fcRecords)
-                {
-                    // Convertir número de bloque a entero
-                    if (!int.TryParse(record["BLKNUMBER"], out int blockNumber))
-                        continue;
-
-                    // Crear objeto FC con los datos del registro
-                    var fc = new S7Function
-                    {
-                        Number = $"FC{blockNumber}",
-                        Name = DbfParser.ConvertCP1252ToUtf8(record["BLKNAME"]).Trim(),
-                        AuthorName = DbfParser.ConvertCP1252ToUtf8(record["AUTHOR"]).Trim(),
-                        Family = DbfParser.ConvertCP1252ToUtf8(record["FAMILY"]).Trim(),
-                        Version = record["VERSION"].Trim(),
-                        Size = ParseBlockSize(record["MC5LEN"]),
-                        ObjectType = S7ObjectType.Function,
-                        Language = DetermineLanguageFromMC5Code(record["MC5CODE"]),
-                        ReturnType = DetermineReturnTypeFromMC5Code(record["MC5CODE"])
-                    };
-
-                    // Intentar extraer fecha de modificación
-                    if (DateTime.TryParse(record["MODDATE"], out DateTime modDate))
-                    {
-                        fc.Modified = modDate;
-                    }
-
-                    // Extraer más información del código MC5
-                    ExtractAdditionalInfoFromMC5Code(fc, record["MC5CODE"]);
-
-                    // Analizar variables de entrada/salida del interfaz
-                    AnalyzeInterfaceData(fc, record["MC5CODE"]);
-
-                    functions.Add(fc);
-                }
-
-                // Ordenar los bloques por número
-                functions = functions.OrderBy(f => ExtractNumber(f.Number)).ToList();
-            }
-            catch (Exception ex)
-            {
-                // En caso de error, añadir un FC de error para informar al usuario
-                var errorFc = new S7Function
-                {
-                    Name = "Error_Parsing_FC",
-                    Number = "FC999",
-                    Description = $"Error al parsear FCs: {ex.Message}",
-                    ObjectType = S7ObjectType.Function
-                };
-                functions.Add(errorFc);
-            }
-
-            // Si no se encontraron FCs, usar datos de muestra
-            if (functions.Count == 0)
-            {
-                return CreateSampleFunctions();
-            }
-
-            return functions;
-        }
-
-        /// <summary>
-        /// Extrae el número de un bloque a partir de su identificador (ej: "FC5" -> 5)
-        /// </summary>
-        private int ExtractNumber(string blockId)
-        {
-            if (string.IsNullOrEmpty(blockId) || blockId.Length < 3)
-                return 9999; // Valor alto para ordenar al final
-
-            if (int.TryParse(blockId.Substring(2), out int number))
-                return number;
-
-            return 9999;
-        }
-
-        /// <summary>
-        /// Parsea el tamaño del bloque a partir del valor MC5LEN
-        /// </summary>
-        private int ParseBlockSize(string mc5Len)
-        {
-            if (int.TryParse(mc5Len, out int size))
-                return size;
-
-            return 0;
-        }
-
-        /// <summary>
-        /// Determina el lenguaje de programación a partir del código MC5
-        /// </summary>
-        private string DetermineLanguageFromMC5Code(string mc5Code)
-        {
-            if (string.IsNullOrEmpty(mc5Code))
-                return "Desconocido";
-
-            // Esta es una lógica simplificada. En una implementación real,
-            // necesitarías analizar patrones específicos en el código MC5
-            if (mc5Code.Contains("STL") || mc5Code.Contains("AWL"))
-                return "AWL";
-            else if (mc5Code.Contains("SCL"))
-                return "SCL";
-            else if (mc5Code.Contains("GRAPH"))
-                return "GRAPH";
-            else if (mc5Code.Contains("KOP") || mc5Code.Contains("LAD"))
-                return "KOP";
-            else if (mc5Code.Contains("FUP") || mc5Code.Contains("FBD"))
-                return "FUP";
-
-            // Por defecto asumimos AWL (lenguaje más común)
-            return "AWL";
-        }
-
-        /// <summary>
-        /// Determina el tipo de retorno a partir del código MC5
-        /// </summary>
-        private string DetermineReturnTypeFromMC5Code(string mc5Code)
-        {
-            if (string.IsNullOrEmpty(mc5Code))
-                return "VOID";
-
-            // Esta es una lógica simplificada. En una implementación real,
-            // necesitarías analizar patrones específicos en el código MC5
-            if (mc5Code.Contains("BOOL") && mc5Code.Contains("RET_VAL"))
-                return "BOOL";
-            else if (mc5Code.Contains("INT") && mc5Code.Contains("RET_VAL"))
-                return "INT";
-            else if (mc5Code.Contains("REAL") && mc5Code.Contains("RET_VAL"))
-                return "REAL";
-            else if (mc5Code.Contains("WORD") && mc5Code.Contains("RET_VAL"))
-                return "WORD";
-            else if (mc5Code.Contains("DWORD") && mc5Code.Contains("RET_VAL"))
-                return "DWORD";
-            else if (mc5Code.Contains("TIME") && mc5Code.Contains("RET_VAL"))
-                return "TIME";
-
-            // Buscar cualquier tipo de dato asociado a RET_VAL
-            int retValPos = mc5Code.IndexOf("RET_VAL");
-            if (retValPos > 0)
-            {
-                string[] dataTypes = { "BYTE", "DINT", "CHAR", "STRING", "DATE", "TIME_OF_DAY", "DATE_AND_TIME" };
-                foreach (string type in dataTypes)
-                {
-                    if (mc5Code.IndexOf(type, retValPos - 50, 100) > 0)
-                        return type;
-                }
-            }
-
-            return "VOID";
-        }
-
-        /// <summary>
-        /// Extrae información adicional del código MC5
-        /// </summary>
-        private void ExtractAdditionalInfoFromMC5Code(S7Function fc, string mc5Code)
-        {
-            if (string.IsNullOrEmpty(mc5Code))
-                return;
-
-            try
-            {
-                // Extraer descripción (comentario del bloque)
-                int descStart = mc5Code.IndexOf("//");
-                if (descStart >= 0)
-                {
-                    int descEnd = mc5Code.IndexOf('\n', descStart);
-                    if (descEnd > descStart)
-                    {
-                        string comment = mc5Code.Substring(descStart + 2, descEnd - descStart - 2).Trim();
-                        if (!string.IsNullOrEmpty(comment))
-                            fc.Description = DbfParser.ConvertCP1252ToUtf8(comment);
-                    }
-                }
-
-                // Añadir otros metadatos que se puedan extraer
-            }
-            catch
-            {
-                // Ignorar errores en la extracción para no detener el proceso
-            }
-        }
-
-        /// <summary>
-        /// Analiza los datos de interfaz para extraer parámetros de entrada/salida
-        /// </summary>
-        private void AnalyzeInterfaceData(S7Function fc, string mc5Code)
-        {
-            if (string.IsNullOrEmpty(mc5Code))
-                return;
-
-            try
-            {
-                // Crear lista de parámetros
-                fc.Parameters = new List<FunctionParameter>();
-
-                // Buscar sección de interfaz
-                int varInputPos = mc5Code.IndexOf("VAR_INPUT");
-                int varOutputPos = mc5Code.IndexOf("VAR_OUTPUT");
-                int varInOutPos = mc5Code.IndexOf("VAR_IN_OUT");
-
-                // Procesar parámetros de entrada
-                if (varInputPos >= 0)
-                {
-                    int endPos = DetermineNextSectionPos(mc5Code, varInputPos);
-                    string inputSection = mc5Code.Substring(varInputPos, endPos - varInputPos);
-                    ExtractParameters(inputSection, "IN", fc.Parameters);
-                }
-
-                // Procesar parámetros de salida
-                if (varOutputPos >= 0)
-                {
-                    int endPos = DetermineNextSectionPos(mc5Code, varOutputPos);
-                    string outputSection = mc5Code.Substring(varOutputPos, endPos - varOutputPos);
-                    ExtractParameters(outputSection, "OUT", fc.Parameters);
-                }
-
-                // Procesar parámetros de entrada/salida
-                if (varInOutPos >= 0)
-                {
-                    int endPos = DetermineNextSectionPos(mc5Code, varInOutPos);
-                    string inOutSection = mc5Code.Substring(varInOutPos, endPos - varInOutPos);
-                    ExtractParameters(inOutSection, "IN/OUT", fc.Parameters);
-                }
-            }
-            catch
-            {
-                // Ignorar errores en la extracción para no detener el proceso
-            }
-        }
-
-        /// <summary>
-        /// Determina la posición de la siguiente sección en el código
-        /// </summary>
-        private int DetermineNextSectionPos(string code, int startPos)
-        {
-            string[] sections = { "VAR_INPUT", "VAR_OUTPUT", "VAR_IN_OUT", "VAR_TEMP", "VAR", "BEGIN" };
-
-            int minPos = code.Length;
-            foreach (string section in sections)
-            {
-                int pos = code.IndexOf(section, startPos + 1);
-                if (pos > 0 && pos < minPos)
-                    minPos = pos;
-            }
-
-            return minPos;
-        }
-
-        /// <summary>
-        /// Extrae parámetros individuales de una sección de interfaz
-        /// </summary>
-        private void ExtractParameters(string section, string direction, List<FunctionParameter> parameters)
-        {
-            // Dividir por líneas
-            string[] lines = section.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
-
-            foreach (string line in lines)
-            {
-                string trimmedLine = line.Trim();
-
-                // Ignorar líneas de declaración de sección, comentarios o END_VAR
-                if (trimmedLine.StartsWith("VAR_") || trimmedLine.StartsWith("//") ||
-                    trimmedLine.StartsWith("END_VAR") || string.IsNullOrWhiteSpace(trimmedLine))
-                    continue;
-
-                // Procesar línea con declaración de parámetro
-                int colonPos = trimmedLine.IndexOf(':');
-                if (colonPos > 0)
-                {
-                    string paramName = trimmedLine.Substring(0, colonPos).Trim();
-
-                    // Extraer tipo y comentario
-                    string remainder = trimmedLine.Substring(colonPos + 1).Trim();
-                    string paramType = remainder;
-                    string comment = string.Empty;
-
-                    // Verificar si hay comentario en la línea
-                    int commentPos = remainder.IndexOf("//");
-                    if (commentPos > 0)
-                    {
-                        paramType = remainder.Substring(0, commentPos).Trim();
-                        comment = remainder.Substring(commentPos + 2).Trim();
-                    }
-
-                    // Limpiar cualquier punto y coma al final del tipo
-                    if (paramType.EndsWith(";"))
-                        paramType = paramType.Substring(0, paramType.Length - 1).Trim();
-
-                    // Añadir parámetro a la lista
-                    parameters.Add(new FunctionParameter
-                    {
-                        Name = paramName,
-                        DataType = paramType,
-                        Direction = direction,
-                        Description = comment
-                    });
-                }
-            }
-        }
-
-        /// <summary>
-        /// Crea bloques FC de ejemplo cuando no se pueden parsear los reales
-        /// </summary>
-        private List<S7Function> CreateSampleFunctions()
-        {
-            return new List<S7Function>
-            {
-                new S7Function {
-                    Name = "Calc_Setpoint",
-                    Number = "FC1",
-                    Size = 124,
-                    ReturnType = "REAL",
-                    Description = "Cálculo de punto de consigna",
-                    Modified = DateTime.Now.AddDays(-8),
-                    Language = "SCL",
-                    Parameters = new List<FunctionParameter>
-                    {
-                        new FunctionParameter { Name = "Target", DataType = "REAL", Direction = "IN", Description = "Valor objetivo" },
-                        new FunctionParameter { Name = "Actual", DataType = "REAL", Direction = "IN", Description = "Valor actual" },
-                        new FunctionParameter { Name = "Gain", DataType = "REAL", Direction = "IN", Description = "Ganancia" }
-                    }
-                },
-                new S7Function {
-                    Name = "Scale_Analog",
-                    Number = "FC2",
-                    Size = 68,
-                    ReturnType = "REAL",
-                    Description = "Escalado de valor analógico",
-                    Modified = DateTime.Now.AddDays(-12),
-                    Language = "AWL",
-                    Parameters = new List<FunctionParameter>
-                    {
-                        new FunctionParameter { Name = "Raw", DataType = "INT", Direction = "IN", Description = "Valor bruto" },
-                        new FunctionParameter { Name = "RawLow", DataType = "INT", Direction = "IN", Description = "Valor mínimo bruto" },
-                        new FunctionParameter { Name = "RawHigh", DataType = "INT", Direction = "IN", Description = "Valor máximo bruto" },
-                        new FunctionParameter { Name = "ScaleLow", DataType = "REAL", Direction = "IN", Description = "Valor mínimo escalado" },
-                        new FunctionParameter { Name = "ScaleHigh", DataType = "REAL", Direction = "IN", Description = "Valor máximo escalado" }
-                    }
-                },
-                new S7Function {
-                    Name = "CheckAlarms",
-                    Number = "FC3",
-                    Size = 154,
-                    ReturnType = "BOOL",
-                    Description = "Verificación de alarmas",
-                    Modified = DateTime.Now.AddDays(-5),
-                    Language = "KOP",
-                    Parameters = new List<FunctionParameter>
-                    {
-                        new FunctionParameter { Name = "Value", DataType = "REAL", Direction = "IN", Description = "Valor a comprobar" },
-                        new FunctionParameter { Name = "LowLimit", DataType = "REAL", Direction = "IN", Description = "Límite inferior" },
-                        new FunctionParameter { Name = "HighLimit", DataType = "REAL", Direction = "IN", Description = "Límite superior" },
-                        new FunctionParameter { Name = "AlarmStatus", DataType = "WORD", Direction = "OUT", Description = "Estado de alarmas" }
-                    }
-                },
-                new S7Function {
-                    Name = "Timer_Control",
-                    Number = "FC4",
-                    Size = 86,
-                    ReturnType = "VOID",
-                    Description = "Control de temporizadores",
-                    Modified = DateTime.Now.AddDays(-3),
-                    Language = "FUP",
-                    Parameters = new List<FunctionParameter>
-                    {
-                        new FunctionParameter { Name = "Start", DataType = "BOOL", Direction = "IN", Description = "Iniciar temporizador" },
-                        new FunctionParameter { Name = "Duration", DataType = "TIME", Direction = "IN", Description = "Duración" },
-                        new FunctionParameter { Name = "TimerNo", DataType = "INT", Direction = "IN", Description = "Número de temporizador" },
-                        new FunctionParameter { Name = "Status", DataType = "BOOL", Direction = "OUT", Description = "Estado (activo/inactivo)" },
-                        new FunctionParameter { Name = "ElapsedTime", DataType = "TIME", Direction = "OUT", Description = "Tiempo transcurrido" }
-                    }
-                },
-                new S7Function {
-                    Name = "String_Process",
-                    Number = "FC5",
-                    Size = 210,
-                    ReturnType = "INT",
-                    Description = "Procesamiento de cadenas",
-                    Modified = DateTime.Now.AddDays(-1),
-                    Language = "SCL",
-                    Parameters = new List<FunctionParameter>
-                    {
-                        new FunctionParameter { Name = "InStr", DataType = "STRING", Direction = "IN", Description = "Cadena de entrada" },
-                        new FunctionParameter { Name = "Operation", DataType = "INT", Direction = "IN", Description = "Operación a realizar" },
-                        new FunctionParameter { Name = "OutStr", DataType = "STRING", Direction = "OUT", Description = "Cadena de salida" }
-                    }
-                }
-            };
-        }
-    }
-}

Parsers/S7ProjectParser.cs

@@ -1,412 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using S7Explorer.Models;
-
-namespace S7Explorer.Parsers
-{
-    public class S7ProjectParser
-    {
-        private readonly string _projectFilePath;
-        private readonly string _projectDirectory;
-
-        public S7ProjectParser(string projectFilePath)
-        {
-            _projectFilePath = projectFilePath;
-            _projectDirectory = Path.GetDirectoryName(projectFilePath);
-
-            if (string.IsNullOrEmpty(_projectDirectory))
-                throw new ArgumentException("No se pudo determinar el directorio del proyecto");
-        }
-
-        public async Task<S7Project> ParseProjectAsync()
-        {
-            return await Task.Run(() =>
-            {
-                // Crear objeto de proyecto
-                var project = new S7Project(_projectFilePath);
-
-                try
-                {
-                    // Estructura básica del proyecto
-                    var devicesFolder = new S7Object
-                    {
-                        Name = "Dispositivos",
-                        ObjectType = S7ObjectType.Folder,
-                        Parent = project
-                    };
-                    project.Children.Add(devicesFolder);
-
-                    // Parsear dispositivos
-                    ParseDevices(devicesFolder);
-
-                    // Para uso en el futuro: más carpetas de alto nivel
-                    var sharedFolder = new S7Object
-                    {
-                        Name = "Datos Globales",
-                        ObjectType = S7ObjectType.Folder,
-                        Parent = project
-                    };
-                    project.Children.Add(sharedFolder);
-
-                    return project;
-                }
-                catch (Exception ex)
-                {
-                    // En caso de error, al menos retornamos un proyecto básico con el error
-                    var errorObject = new S7Object
-                    {
-                        Name = "Error al parsear proyecto",
-                        Description = ex.Message,
-                        ObjectType = S7ObjectType.Folder,
-                        Parent = project
-                    };
-                    project.Children.Add(errorObject);
-
-                    return project;
-                }
-            });
-        }
-
-        private void ParseDevices(S7Object devicesFolder)
-        {
-            try
-            {
-                // Obtener lista de dispositivos a partir del archivo de información
-                var deviceIdInfos = ParseDeviceIdInfos();
-
-                foreach (var deviceInfo in deviceIdInfos)
-                {
-                    var device = new S7Object
-                    {
-                        Name = deviceInfo.Name,
-                        ObjectType = S7ObjectType.Device,
-                        Parent = devicesFolder
-                    };
-                    devicesFolder.Children.Add(device);
-
-                    // Crear carpetas para cada tipo de bloque
-                    var dbFolder = CreateBlockFolder(device, "Bloques de datos (DB)");
-                    var fbFolder = CreateBlockFolder(device, "Bloques de función (FB)");
-                    var fcFolder = CreateBlockFolder(device, "Funciones (FC)");
-                    var obFolder = CreateBlockFolder(device, "Bloques de organización (OB)");
-                    var symbolsFolder = CreateBlockFolder(device, "Tabla de símbolos");
-
-                    // Parsear bloques y símbolos si se dispone de IDs
-                    if (deviceInfo.SymbolListId.HasValue)
-                    {
-                        ParseSymbols(symbolsFolder, deviceInfo.SymbolListId.Value);
-                    }
-
-                    if (deviceInfo.SubblockListId.HasValue)
-                    {
-                        ParseBlocks(dbFolder, fbFolder, fcFolder, obFolder, deviceInfo.SubblockListId.Value);
-                    }
-                }
-            }
-            catch (Exception ex)
-            {
-                // Si falla el parseo, añadimos un nodo de error pero seguimos con el resto
-                var errorNode = new S7Object
-                {
-                    Name = "Error al parsear dispositivos",
-                    Description = ex.Message,
-                    ObjectType = S7ObjectType.Folder,
-                    Parent = devicesFolder
-                };
-                devicesFolder.Children.Add(errorNode);
-            }
-        }
-
-        private S7Object CreateBlockFolder(S7Object parent, string name)
-        {
-            var folder = new S7Object
-            {
-                Name = name,
-                ObjectType = S7ObjectType.Folder,
-                Parent = parent
-            };
-            parent.Children.Add(folder);
-            return folder;
-        }
-
-        private List<DeviceIdInfo> ParseDeviceIdInfos()
-        {
-            var result = new List<DeviceIdInfo>();
-
-            // Esto es una simplificación - en una implementación real
-            // necesitarías parsear los archivos reales como en el proyecto C++
-            var s7resoffPath = Path.Combine(_projectDirectory, "hrs", "S7RESOFF.DBF");
-
-            if (File.Exists(s7resoffPath))
-            {
-                try
-                {
-                    // Leer la tabla de dispositivos
-                    var records = DbfParser.ReadDbfFile(s7resoffPath, new[] { "ID", "NAME", "RSRVD4_L" });
-
-                    foreach (var record in records)
-                    {
-                        var device = new DeviceIdInfo
-                        {
-                            Name = DbfParser.ConvertCP1252ToUtf8(record["NAME"]),
-                        };
-
-                        // Procesamiento simplificado para IDs de Subblock y Symbol List
-                        device.SubblockListId = DbfParser.StringToInt(record["RSRVD4_L"]);
-
-                        // NOTA: En una implementación completa, tendrías que leer linkhrs.lnk
-                        // para obtener SubblockListId y SymbolListId reales
-
-                        result.Add(device);
-                    }
-                }
-                catch (Exception)
-                {
-                    // Error de parseo - ignorar y continuar
-                }
-            }
-
-            // Si no se encuentran dispositivos, crear uno de ejemplo
-            if (result.Count == 0)
-            {
-                result.Add(new DeviceIdInfo
-                {
-                    Name = "Dispositivo de ejemplo"
-                });
-            }
-
-            return result;
-        }
-
-        private void ParseSymbols(S7Object symbolsFolder, int symbolListId)
-        {
-            // Esta es una implementación de muestra
-            // En una versión completa, leerías los archivos YDBs reales
-
-            // Crear algunos símbolos de ejemplo
-            var symbols = new List<S7Symbol>
-            {
-                new S7Symbol {
-                    Name = "Motor_Start",
-                    Address = "I0.0",
-                    DataType = "BOOL",
-                    Comment = "Pulsador de inicio del motor"
-                },
-                new S7Symbol {
-                    Name = "Motor_Stop",
-                    Address = "I0.1",
-                    DataType = "BOOL",
-                    Comment = "Pulsador de parada del motor"
-                },
-                new S7Symbol {
-                    Name = "Motor_Running",
-                    Address = "Q0.0",
-                    DataType = "BOOL",
-                    Comment = "Motor en marcha"
-                },
-                new S7Symbol {
-                    Name = "Temperature",
-                    Address = "IW64",
-                    DataType = "INT",
-                    Comment = "Temperatura del proceso"
-                },
-            };
-
-            foreach (var symbol in symbols)
-            {
-                symbol.Parent = symbolsFolder;
-                symbolsFolder.Children.Add(symbol);
-            }
-        }
-
-        private void ParseBlocks(S7Object dbFolder, S7Object fbFolder, S7Object fcFolder, S7Object obFolder, int subblockListId)
-        {
-            try
-            {
-                // Usar parser específico para las funciones (FC)
-                var fcParser = new FCParser(_projectDirectory);
-                var functions = fcParser.ParseFunctionBlocks(subblockListId);
-
-                // Añadir bloques FC al árbol de proyecto
-                foreach (var fc in functions)
-                {
-                    fc.Parent = fcFolder;
-                    fcFolder.Children.Add(fc);
-                }
-
-                // Para los otros tipos de bloques, seguimos usando los ejemplos por ahora
-                // En una implementación completa, crearíamos parsers específicos para cada tipo
-                AddSampleDataBlocks(dbFolder);
-                AddSampleFunctionBlocks(fbFolder);
-                AddSampleOrgBlocks(obFolder);
-            }
-            catch (Exception ex)
-            {
-                // En caso de error, añadimos un objeto de error informativo
-                var errorObject = new S7Object
-                {
-                    Name = "Error en parseo de bloques",
-                    Description = ex.Message,
-                    ObjectType = S7ObjectType.Folder
-                };
-
-                // Lo añadimos a cada carpeta para que sea visible
-                dbFolder.Children.Add(errorObject);
-                fbFolder.Children.Add(new S7Object
-                {
-                    Name = errorObject.Name,
-                    Description = errorObject.Description,
-                    ObjectType = errorObject.ObjectType
-                });
-                fcFolder.Children.Add(new S7Object
-                {
-                    Name = errorObject.Name,
-                    Description = errorObject.Description,
-                    ObjectType = errorObject.ObjectType
-                });
-                obFolder.Children.Add(new S7Object
-                {
-                    Name = errorObject.Name,
-                    Description = errorObject.Description,
-                    ObjectType = errorObject.ObjectType
-                });
-            }
-        }
-
-        private void AddSampleDataBlocks(S7Object dbFolder)
-        {
-            var dbs = new List<S7DataBlock>
-            {
-                new S7DataBlock {
-                    Name = "Datos_proceso",
-                    Number = "DB1",
-                    Size = 124,
-                    IsInstanceDb = false,
-                    Description = "Datos de proceso",
-                    Modified = DateTime.Now.AddDays(-5)
-                },
-                new S7DataBlock {
-                    Name = "Parámetros",
-                    Number = "DB2",
-                    Size = 234,
-                    IsInstanceDb = false,
-                    Description = "Parámetros de configuración",
-                    Modified = DateTime.Now.AddDays(-10)
-                },
-                new S7DataBlock {
-                    Name = "Motor_Inst",
-                    Number = "DB10",
-                    Size = 86,
-                    IsInstanceDb = true,
-                    Description = "Instancia de FB1",
-                    Modified = DateTime.Now.AddDays(-2)
-                }
-            };
-
-            foreach (var db in dbs)
-            {
-                db.Parent = dbFolder;
-                dbFolder.Children.Add(db);
-            }
-        }
-
-        private void AddSampleFunctionBlocks(S7Object fbFolder)
-        {
-            var fbs = new List<S7FunctionBlock>
-            {
-                new S7FunctionBlock {
-                    Name = "Motor_Control",
-                    Number = "FB1",
-                    Size = 328,
-                    Language = "SCL",
-                    Description = "Control de motor",
-                    Modified = DateTime.Now.AddDays(-15)
-                },
-                new S7FunctionBlock {
-                    Name = "PID_Control",
-                    Number = "FB2",
-                    Size = 512,
-                    Language = "SCL",
-                    Description = "Controlador PID",
-                    Modified = DateTime.Now.AddDays(-20)
-                }
-            };
-
-            foreach (var fb in fbs)
-            {
-                fb.Parent = fbFolder;
-                fbFolder.Children.Add(fb);
-            }
-        }
-
-        private void AddSampleFunctions(S7Object fcFolder)
-        {
-            var fcs = new List<S7Function>
-            {
-                new S7Function {
-                    Name = "Calc_Setpoint",
-                    Number = "FC1",
-                    Size = 124,
-                    ReturnType = "REAL",
-                    Description = "Cálculo de punto de consigna",
-                    Modified = DateTime.Now.AddDays(-8)
-                },
-                new S7Function {
-                    Name = "Scale_Analog",
-                    Number = "FC2",
-                    Size = 68,
-                    ReturnType = "REAL",
-                    Description = "Escalado de valor analógico",
-                    Modified = DateTime.Now.AddDays(-12)
-                }
-            };
-
-            foreach (var fc in fcs)
-            {
-                fc.Parent = fcFolder;
-                fcFolder.Children.Add(fc);
-            }
-        }
-
-        private void AddSampleOrgBlocks(S7Object obFolder)
-        {
-            var obs = new List<S7Block>
-            {
-                new S7Block {
-                    Name = "Main",
-                    Number = "OB1",
-                    Size = 256,
-                    ObjectType = S7ObjectType.Organization,
-                    Description = "Ciclo principal",
-                    Modified = DateTime.Now.AddDays(-1)
-                },
-                new S7Block {
-                    Name = "Clock_100ms",
-                    Number = "OB35",
-                    Size = 124,
-                    ObjectType = S7ObjectType.Organization,
-                    Description = "Interrupción cíclica 100ms",
-                    Modified = DateTime.Now.AddDays(-7)
-                }
-            };
-
-            foreach (var ob in obs)
-            {
-                ob.Parent = obFolder;
-                obFolder.Children.Add(ob);
-            }
-        }
-
-        // Clase interna para la información de los dispositivos
-        private class DeviceIdInfo
-        {
-            public string Name { get; set; }
-            public int? SubblockListId { get; set; }
-            public int? SymbolListId { get; set; }
-        }
-    }
-}

S7Explorer.csproj

@@ -6,14 +6,50 @@
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UseWPF>true</UseWPF>
+    <GenerateDocumentationFile>True</GenerateDocumentationFile>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
+    <PackageReference Include="DotNetProjects.DotNetSiemensPLCToolBoxLibrary" Version="4.2.3" />
     <PackageReference Include="Extended.Wpf.Toolkit" Version="4.7.25104.5739" />
-    <PackageReference Include="NDbfReader" Version="2.4.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Ookii.Dialogs.Wpf" Version="5.0.1" />
+    <PackageReference Include="System.Text.Encoding.CodePages" Version="10.0.0-preview.2.25163.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="Resources\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="Resources\db.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\default.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\device.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\fb.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\fc.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\folder.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\ob.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\project.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\symbol.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
   </ItemGroup>
 
 </Project>

Services/ExportService.cs

@@ -0,0 +1,230 @@
+using Newtonsoft.Json;
+using S7Explorer.Models;
+using System;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace S7Explorer.Services
+{
+    public class ExportService
+    {
+        private readonly LogService _logService;
+
+        public ExportService()
+        {
+            _logService = LogService.Instance;
+        }
+
+        public async Task<bool> ExportProjectAsync(ProjectStructure project, ExportSettings settings)
+        {
+            return await Task.Run(() => ExportProject(project, settings));
+        }
+
+        private bool ExportProject(ProjectStructure project, ExportSettings settings)
+        {
+            try
+            {
+                _logService.LogInfo($"Starting export to {settings.ExportPath}");
+
+                string exportContent = GenerateExportContent(project, settings);
+
+                // Ensure directory exists
+                string directory = Path.GetDirectoryName(settings.ExportPath) ?? string.Empty;
+                if (!string.IsNullOrEmpty(directory) && !Directory.Exists(directory))
+                {
+                    Directory.CreateDirectory(directory);
+                }
+
+                // Write to file based on format
+                switch (settings.ExportFormat)
+                {
+                    case ExportFormat.PlainText:
+                        File.WriteAllText(settings.ExportPath, exportContent);
+                        break;
+                    case ExportFormat.MarkDown:
+                        File.WriteAllText(settings.ExportPath, GenerateMarkdownContent(project, settings));
+                        break;
+                    case ExportFormat.HTML:
+                        File.WriteAllText(settings.ExportPath, GenerateHtmlContent(project, settings));
+                        break;
+                    case ExportFormat.JSON:
+                        File.WriteAllText(settings.ExportPath, GenerateJsonContent(project, settings));
+                        break;
+                }
+
+                _logService.LogInfo($"Export completed successfully to {settings.ExportPath}");
+                return true;
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error during export: {ex.Message}");
+                return false;
+            }
+        }
+
+        private string GenerateExportContent(ProjectStructure project, ExportSettings settings)
+        {
+            StringBuilder sb = new StringBuilder();
+
+            // Project info
+            sb.AppendLine("==========================================================");
+            sb.AppendLine($"PROJECT DOCUMENTATION: {project.Name}");
+            sb.AppendLine("==========================================================");
+            sb.AppendLine();
+            sb.AppendLine(project.GetExportText());
+
+            // Hardware configuration
+            if (settings.ExportHardware)
+            {
+                sb.AppendLine("==========================================================");
+                sb.AppendLine("HARDWARE CONFIGURATION");
+                sb.AppendLine("==========================================================");
+                sb.AppendLine();
+
+                ExportChildren(project.HardwareFolder, sb, settings, 0);
+            }
+
+            // Symbols
+            if (settings.ExportSymbols)
+            {
+                sb.AppendLine("==========================================================");
+                sb.AppendLine("SYMBOL TABLE");
+                sb.AppendLine("==========================================================");
+                sb.AppendLine();
+
+                ExportChildren(project.SymbolsFolder, sb, settings, 0);
+            }
+
+            // Blocks
+            if (settings.ExportBlocks)
+            {
+                sb.AppendLine("==========================================================");
+                sb.AppendLine("PROGRAM BLOCKS");
+                sb.AppendLine("==========================================================");
+                sb.AppendLine();
+
+                ExportChildren(project.BlocksFolder, sb, settings, 0);
+            }
+
+            return sb.ToString();
+        }
+
+        private void ExportChildren(ProjectItem item, StringBuilder sb, ExportSettings settings, int level)
+        {
+            // Don't export if no children
+            if (item.Children.Count == 0)
+                return;
+
+            string indent = new string(' ', level * 2);
+
+            foreach (var child in item.Children)
+            {
+                // Skip block code if settings say so
+                if (child is BlockItem blockItem && !settings.IncludeBlockCode)
+                {
+                    string text = blockItem.GetExportText();
+                    // Remove the block content section
+                    int contentIndex = text.IndexOf("// Block Content");
+                    if (contentIndex > 0)
+                    {
+                        text = text.Substring(0, contentIndex) + "// Block Content omitted per export settings\r\n\r\n";
+                    }
+                    sb.Append(indent);
+                    sb.AppendLine(text.Replace("\r\n", "\r\n" + indent));
+                }
+                else
+                {
+                    // For other item types, just get export text
+                    sb.Append(indent);
+                    sb.AppendLine(child.GetExportText().Replace("\r\n", "\r\n" + indent));
+                }
+
+                // Recursively export children
+                ExportChildren(child, sb, settings, level + 1);
+            }
+        }
+
+        private string GenerateMarkdownContent(ProjectStructure project, ExportSettings settings)
+        {
+            // This would generate Markdown-formatted content
+            // Simplified implementation
+            StringBuilder sb = new StringBuilder();
+
+            sb.AppendLine($"# PROJECT DOCUMENTATION: {project.Name}");
+            sb.AppendLine();
+            sb.AppendLine($"**Project Path:** {project.ProjectPath}");
+            sb.AppendLine($"**Version:** {project.ProjectVersion}");
+            sb.AppendLine($"**Created:** {project.CreationDate}");
+            sb.AppendLine($"**Last Modified:** {project.LastModifiedDate}");
+            sb.AppendLine();
+
+            // Rest of the implementation similar to plain text but with Markdown formatting
+            // ...
+
+            return sb.ToString();
+        }
+
+        private string GenerateHtmlContent(ProjectStructure project, ExportSettings settings)
+        {
+            // This would generate HTML-formatted content
+            // Simplified implementation
+            StringBuilder sb = new StringBuilder();
+
+            sb.AppendLine("<!DOCTYPE html>");
+            sb.AppendLine("<html>");
+            sb.AppendLine("<head>");
+            sb.AppendLine($"<title>Project Documentation: {project.Name}</title>");
+            sb.AppendLine("<style>");
+            sb.AppendLine("body { font-family: Arial, sans-serif; margin: 20px; }");
+            sb.AppendLine("h1, h2 { color: #0066cc; }");
+            sb.AppendLine("pre { background-color: #f5f5f5; padding: 10px; border: 1px solid #ddd; }");
+            sb.AppendLine("</style>");
+            sb.AppendLine("</head>");
+            sb.AppendLine("<body>");
+            sb.AppendLine($"<h1>PROJECT DOCUMENTATION: {project.Name}</h1>");
+
+            // Rest of the implementation similar to plain text but with HTML formatting
+            // ...
+
+            sb.AppendLine("</body>");
+            sb.AppendLine("</html>");
+
+            return sb.ToString();
+        }
+
+        private string GenerateJsonContent(ProjectStructure project, ExportSettings settings)
+        {
+            // Create an object structure to export to JSON
+            var exportObject = new
+            {
+                Project = new
+                {
+                    Name = project.Name,
+                    Path = project.ProjectPath,
+                    Version = project.ProjectVersion,
+                    CreationDate = project.CreationDate,
+                    LastModifiedDate = project.LastModifiedDate
+                },
+                Hardware = settings.ExportHardware ? GetExportObjectForItem(project.HardwareFolder) : null,
+                Symbols = settings.ExportSymbols ? GetExportObjectForItem(project.SymbolsFolder) : null,
+                Blocks = settings.ExportBlocks ? GetExportObjectForItem(project.BlocksFolder) : null
+            };
+
+            return JsonConvert.SerializeObject(exportObject, Formatting.Indented);
+        }
+
+        private object GetExportObjectForItem(ProjectItem item)
+        {
+            // Create a JSON-friendly object structure for an item and its children
+            var result = new
+            {
+                Name = item.Name,
+                Children = item.Children.Select(c => GetExportObjectForItem(c)).ToArray()
+            };
+
+            return result;
+        }
+    }
+}

Services/LogService.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.ObjectModel;
+using System.Windows;
+
+namespace S7Explorer.Services
+{
+    public class LogService
+    {
+        private static LogService? _instance;
+        private ObservableCollection<LogEntry> _logs = new();
+
+        // Singleton instance
+        public static LogService Instance
+        {
+            get
+            {
+                if (_instance == null)
+                    _instance = new LogService();
+                return _instance;
+            }
+        }
+
+        public ObservableCollection<LogEntry> Logs => _logs;
+
+        public void LogInfo(string message)
+        {
+            AddLog(LogLevel.Info, message);
+        }
+
+        public void LogWarning(string message)
+        {
+            AddLog(LogLevel.Warning, message);
+        }
+
+        public void LogError(string message)
+        {
+            AddLog(LogLevel.Error, message);
+        }
+
+        public void LogError(Exception ex)
+        {
+            AddLog(LogLevel.Error, $"Error: {ex.Message}");
+            AddLog(LogLevel.Debug, $"Stack trace: {ex.StackTrace}");
+        }
+
+        public void LogDebug(string message)
+        {
+            AddLog(LogLevel.Debug, message);
+        }
+
+        private void AddLog(LogLevel level, string message)
+        {
+            Application.Current.Dispatcher.Invoke(() =>
+            {
+                _logs.Add(new LogEntry
+                {
+                    Timestamp = DateTime.Now,
+                    Level = level,
+                    Message = message
+                });
+            });
+        }
+    }
+}

Services/ProjectService.cs

@@ -0,0 +1,496 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
+using DotNetSiemensPLCToolBoxLibrary.DataTypes;
+using DotNetSiemensPLCToolBoxLibrary.DataTypes.Blocks;
+using DotNetSiemensPLCToolBoxLibrary.DataTypes.Blocks.Step7V5;
+using DotNetSiemensPLCToolBoxLibrary.DataTypes.Projectfolders;
+using DotNetSiemensPLCToolBoxLibrary.DataTypes.Projectfolders.Step7V5;
+using DotNetSiemensPLCToolBoxLibrary.Projectfiles;
+using S7Explorer.Models;
+using ProjectFolder = DotNetSiemensPLCToolBoxLibrary.DataTypes.Projectfolders.ProjectFolder;
+
+namespace S7Explorer.Services
+{
+    public class ProjectService
+    {
+        private readonly LogService _logService;
+
+        public ProjectService()
+        {
+            _logService = LogService.Instance;
+        }
+
+        public async Task<ProjectStructure?> LoadProjectAsync(string projectPath)
+        {
+            return await Task.Run(() => LoadProject(projectPath));
+        }
+
+        private ProjectStructure? LoadProject(string projectPath)
+        {
+            try
+            {
+                _logService.LogInfo($"Loading project from: {projectPath}");
+
+                if (!File.Exists(projectPath))
+                {
+                    _logService.LogError($"Project file not found: {projectPath}");
+                    return null;
+                }
+
+                // Load the Step7 project
+                var step7Project = Projects.GetStep7ProjectsFromDirectory(Path.GetDirectoryName(projectPath)).FirstOrDefault();
+                if (step7Project == null)
+                {
+                    _logService.LogError("Could not load project. Make sure it's a valid S7 project file.");
+                    return null;
+                }
+
+                _logService.LogInfo($"Project loaded: {step7Project.ProjectName}");
+
+                // Create the project structure
+                ProjectStructure projectStructure = new ProjectStructure
+                {
+                    Name = step7Project.ProjectName,
+                    ProjectData = step7Project,
+                    ProjectPath = projectPath,
+                    ProjectVersion = "Unknown", // Not directly available in the API
+                    CreationDate = File.GetCreationTime(projectPath),
+                    LastModifiedDate = File.GetLastWriteTime(projectPath)
+                };
+
+                try
+                {
+                    // Process the project structure
+                    ProcessProjectStructure(step7Project, projectStructure);
+                }
+                catch (Exception ex)
+                {
+                    _logService.LogError($"Error processing project structure: {ex.Message}");
+                }
+
+                return projectStructure;
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError(ex);
+                return null;
+            }
+        }
+
+        private void ProcessProjectStructure(Project project, ProjectStructure projectStructure)
+        {
+            // We need to carefully navigate the project structure
+            if (project.ProjectStructure == null)
+            {
+                _logService.LogWarning("Project structure is null");
+                return;
+            }
+
+            // Use reflection to find and process PLC folders
+            ProcessProjectFolder(project.ProjectStructure, projectStructure);
+        }
+
+        private void ProcessProjectFolder(ProjectFolder folder, ProjectStructure projectStructure)
+        {
+            try
+            {
+                // Check if this is a CPU/PLC folder
+                if (IsProgrammFolder(folder))
+                {
+                    string folderName = GetFolderName(folder);
+                    _logService.LogInfo($"Processing PLC folder: {folderName}");
+
+                    // Process this folder
+                    LoadHardwareConfiguration(folder, projectStructure.HardwareFolder);
+
+                    // Try to find blocks folder
+                    var blocksFolder = GetBlocksFolder(folder);
+                    if (blocksFolder != null)
+                    {
+                        LoadBlocks(blocksFolder, projectStructure.BlocksFolder);
+                    }
+
+                    // Try to find symbol table
+                    var symbolTable = GetSymbolTable(folder);
+                    if (symbolTable != null)
+                    {
+                        LoadSymbolTable(symbolTable, projectStructure.SymbolsFolder);
+                    }
+                }
+
+                // Try to process sub-folders
+                ProcessSubFolders(folder, projectStructure);
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error processing folder: {ex.Message}");
+            }
+        }
+
+        private void ProcessSubFolders(ProjectFolder folder, ProjectStructure projectStructure)
+        {
+            try
+            {
+                // Use reflection to find sub-folders
+                var properties = folder.GetType().GetProperties();
+                foreach (var property in properties)
+                {
+                    if (typeof(ProjectFolder).IsAssignableFrom(property.PropertyType))
+                    {
+                        // This property is a ProjectFolder
+                        var subFolder = property.GetValue(folder) as ProjectFolder;
+                        if (subFolder != null)
+                        {
+                            ProcessProjectFolder(subFolder, projectStructure);
+                        }
+                    }
+                    else if (property.PropertyType.IsGenericType &&
+                            typeof(IEnumerable<>).IsAssignableFrom(property.PropertyType.GetGenericTypeDefinition()))
+                    {
+                        // This might be a collection of folders
+                        var collection = property.GetValue(folder) as System.Collections.IEnumerable;
+                        if (collection != null)
+                        {
+                            foreach (var item in collection)
+                            {
+                                if (item is ProjectFolder subFolder)
+                                {
+                                    ProcessProjectFolder(subFolder, projectStructure);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error processing sub-folders: {ex.Message}");
+            }
+        }
+
+        private void LoadBlocks(IBlocksFolder blocksFolder, S7Explorer.Models.ProjectItem parentFolder)
+        {
+            try
+            {
+                // IBlocksFolder doesn't have a Name property directly, so let's use a generic name
+                string folderName = "Blocks";
+                if (blocksFolder is ProjectFolder pf && pf.GetType().GetProperty("Name") != null)
+                    folderName = GetFolderName(pf);
+
+                _logService.LogInfo($"Loading blocks from: {folderName}");
+
+                // Create a folder for this block type
+                S7Explorer.Models.ProjectItem blocksFolderItem = new S7Explorer.Models.ProjectItem
+                {
+                    Name = folderName,
+                    Parent = parentFolder
+                };
+                parentFolder.Children.Add(blocksFolderItem);
+
+                // Get all blocks
+                var blockInfos = blocksFolder.BlockInfos;
+                _logService.LogInfo($"Found {blockInfos.Count} blocks");
+
+                // Add each block to the tree
+                foreach (var blockInfo in blockInfos)
+                {
+                    // Skip system blocks if needed
+                    if (blockInfo.BlockType == PLCBlockType.SFC ||
+                        blockInfo.BlockType == PLCBlockType.SFB)
+                        continue;
+
+                    try
+                    {
+                        // Load full block data
+                        S7Block blockData = blocksFolder.GetBlock(blockInfo) as S7Block;
+
+                        if (blockData != null)
+                        {
+                            // Need to extract block number from blockInfo
+                            int blockNumber = 0;
+
+                            // Try to parse block number from ToString() which typically returns something like "DB100"
+                            string blockStr = blockInfo.ToString();
+                            string numPart = string.Empty;
+
+                            for (int i = 0; i < blockStr.Length; i++)
+                            {
+                                if (char.IsDigit(blockStr[i]))
+                                    numPart += blockStr[i];
+                            }
+
+                            if (!string.IsNullOrEmpty(numPart))
+                                int.TryParse(numPart, out blockNumber);
+
+                            S7Explorer.Models.BlockItem blockItem = new S7Explorer.Models.BlockItem
+                            {
+                                Name = blockInfo.ToString(),
+                                BlockInfo = blockInfo,
+                                BlockData = blockData,
+                                BlockType = blockInfo.BlockType.ToString(),
+                                BlockNumber = blockNumber,
+                                BlockComment = blockData.Title ?? string.Empty,
+                                Parent = blocksFolderItem
+                            };
+
+                            // Get block source code
+                            try
+                            {
+                                if (blocksFolder is BlocksOfflineFolder bof)
+                                {
+                                    var sourceCode = bof.GetSourceBlock(blockInfo, true);
+                                    blockItem.BlockContent = sourceCode ?? string.Empty;
+                                }
+                                else
+                                {
+                                    blockItem.BlockContent = "// Unable to retrieve block source code";
+                                }
+                            }
+                            catch (Exception)
+                            {
+                                blockItem.BlockContent = "// Unable to retrieve block source code";
+                            }
+
+                            blocksFolderItem.Children.Add(blockItem);
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        _logService.LogWarning($"Failed to load block {blockInfo}: {ex.Message}");
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error loading blocks: {ex.Message}");
+            }
+        }
+
+        private void LoadSymbolTable(ISymbolTable symbolTable, S7Explorer.Models.ProjectItem parentFolder)
+        {
+            try
+            {
+                string tableName = "Symbols";
+                if (symbolTable is ProjectFolder pf)
+                    tableName = GetFolderName(pf);
+
+                _logService.LogInfo($"Loading symbols from table: {tableName}");
+
+                // Create a folder for this symbol table
+                S7Explorer.Models.ProjectItem symbolTableItem = new S7Explorer.Models.ProjectItem
+                {
+                    Name = tableName,
+                    Parent = parentFolder
+                };
+                parentFolder.Children.Add(symbolTableItem);
+
+                // Try to get symbols using reflection to avoid direct property access
+                int count = LoadSymbolsUsingReflection(symbolTable, symbolTableItem);
+
+                if (count > 0)
+                {
+                    _logService.LogInfo($"Loaded {count} symbols");
+                }
+                else
+                {
+                    _logService.LogWarning("No symbols found or symbol table is empty");
+                }
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error loading symbols: {ex.Message}");
+            }
+        }
+
+        private int LoadSymbolsUsingReflection(ISymbolTable symbolTable, S7Explorer.Models.ProjectItem parentFolder)
+        {
+            int count = 0;
+
+            try
+            {
+                // Find property that might contain symbols
+                var properties = symbolTable.GetType().GetProperties();
+
+                // Look for collection properties that might be symbol collections
+                foreach (var prop in properties)
+                {
+                    // Skip non-collection properties
+                    if (!typeof(IEnumerable).IsAssignableFrom(prop.PropertyType) ||
+                        prop.PropertyType == typeof(string))
+                        continue;
+
+                    // Try to get the collection
+                    var collection = prop.GetValue(symbolTable) as IEnumerable;
+                    if (collection == null)
+                        continue;
+
+                    // Check if this collection contains symbols
+                    foreach (var item in collection)
+                    {
+                        if (item == null)
+                            continue;
+
+                        // Check if this looks like a symbol
+                        var itemType = item.GetType();
+                        var symbolProp = itemType.GetProperty("Symbol");
+                        var operandProp = itemType.GetProperty("Operand") ?? itemType.GetProperty("Address");
+
+                        // If it has Symbol and Operand properties, treat it as a symbol
+                        if (symbolProp != null && operandProp != null)
+                        {
+                            var dataTypeProp = itemType.GetProperty("DataType");
+                            var commentProp = itemType.GetProperty("Comment");
+
+                            S7Explorer.Models.SymbolItem symbolItem = new S7Explorer.Models.SymbolItem
+                            {
+                                Name = symbolProp.GetValue(item)?.ToString() ?? "Unknown",
+                                SymbolAddress = operandProp.GetValue(item)?.ToString() ?? "",
+                                SymbolDataType = dataTypeProp?.GetValue(item)?.ToString() ?? "",
+                                SymbolComment = commentProp?.GetValue(item)?.ToString() ?? "",
+                                Parent = parentFolder
+                            };
+
+                            parentFolder.Children.Add(symbolItem);
+                            count++;
+                        }
+                    }
+
+                    // If we found symbols, stop looking through properties
+                    if (count > 0)
+                        break;
+                }
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error loading symbols using reflection: {ex.Message}");
+            }
+
+            return count;
+        }
+
+        private void LoadHardwareConfiguration(object cpuFolder, S7Explorer.Models.ProjectItem parentFolder)
+        {
+            try
+            {
+                string folderName = GetFolderName(cpuFolder);
+                _logService.LogInfo($"Loading hardware configuration for CPU: {folderName}");
+
+                // Create a folder for this CPU
+                S7Explorer.Models.ProjectItem cpuItem = new S7Explorer.Models.ProjectItem
+                {
+                    Name = folderName,
+                    Parent = parentFolder
+                };
+                parentFolder.Children.Add(cpuItem);
+
+                // Add CPU information
+                S7Explorer.Models.HardwareItem cpuHardwareItem = new S7Explorer.Models.HardwareItem
+                {
+                    Name = $"CPU {folderName}",
+                    ModuleType = "CPU",
+                    OrderNumber = "Unknown", // Would need to extract from hardware
+                    Position = "Unknown",
+                    Parent = cpuItem
+                };
+                cpuItem.Children.Add(cpuHardwareItem);
+
+                // We would need to analyze the hardware configuration in more detail
+                // to extract modules, but this requires more insight into the library's structure
+
+                _logService.LogInfo("Hardware configuration loaded");
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error loading hardware configuration: {ex.Message}");
+            }
+        }
+
+        // Helper methods to safely access project structure
+
+        private bool IsProgrammFolder(object folder)
+        {
+            return folder is IProgrammFolder ||
+                   folder.GetType().GetInterfaces().Any(i => i.Name == "IProgrammFolder");
+        }
+
+        private IBlocksFolder GetBlocksFolder(object folder)
+        {
+            try
+            {
+                // Try using reflection to access the BlocksOfflineFolder property
+                var property = folder.GetType().GetProperty("BlocksOfflineFolder");
+                if (property != null)
+                {
+                    return property.GetValue(folder) as IBlocksFolder;
+                }
+
+                // If that fails, look for a property of type IBlocksFolder
+                foreach (var prop in folder.GetType().GetProperties())
+                {
+                    if (typeof(IBlocksFolder).IsAssignableFrom(prop.PropertyType))
+                    {
+                        return prop.GetValue(folder) as IBlocksFolder;
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error accessing blocks folder: {ex.Message}");
+            }
+
+            return null;
+        }
+
+        private ISymbolTable GetSymbolTable(object folder)
+        {
+            try
+            {
+                // Try using reflection to access the SymbolTable property
+                var property = folder.GetType().GetProperty("SymbolTable");
+                if (property != null)
+                {
+                    return property.GetValue(folder) as ISymbolTable;
+                }
+
+                // If that fails, look for a property of type ISymbolTable
+                foreach (var prop in folder.GetType().GetProperties())
+                {
+                    if (typeof(ISymbolTable).IsAssignableFrom(prop.PropertyType))
+                    {
+                        return prop.GetValue(folder) as ISymbolTable;
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError($"Error accessing symbol table: {ex.Message}");
+            }
+
+            return null;
+        }
+
+        private string GetFolderName(object folder)
+        {
+            try
+            {
+                // Try to access Name property
+                var property = folder.GetType().GetProperty("Name");
+                if (property != null)
+                {
+                    return property.GetValue(folder)?.ToString() ?? "Unknown";
+                }
+            }
+            catch
+            {
+                // Ignore errors
+            }
+
+            return "Unknown";
+        }
+    }
+}

ViewModels/MainViewModel.cs

@@ -1,154 +1,141 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.ComponentModel;
-using System.IO;
-using System.Linq;
-using System.Threading.Tasks;
-using System.Windows;
-using System.Windows.Input;
-using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using Ookii.Dialogs.Wpf;
+using S7Explorer.Helpers;
 using S7Explorer.Models;
-using S7Explorer.Parsers;
+using S7Explorer.Services;
+using S7Explorer.Services;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.IO;
+using System.Threading.Tasks;
+using System.Windows;
 
 namespace S7Explorer.ViewModels
 {
-    public class MainViewModel : ObservableObject
+    public partial class MainViewModel : ViewModelBase
     {
-        private string _searchText;
-        private object _selectedObject;
-        private object _selectedTreeItem;
-        private S7Project _currentProject;
-        private ObservableCollection<S7Object> _projectStructure;
-        private string _projectInfo;
+        private readonly ProjectService _projectService;
+        private readonly ExportService _exportService;
+        private readonly SearchHelper _searchHelper;
+
+        [ObservableProperty]
+        private ProjectStructure? _projectStructure;
+
+        [ObservableProperty]
+        private ProjectItem? _selectedItem;
+
+        [ObservableProperty]
+        private object? _selectedItemDetails;
+
+        [ObservableProperty]
+        private string _projectPath = string.Empty;
+
+        [ObservableProperty]
+        private bool _isProjectLoaded;
+
+        [ObservableProperty]
+        private string _searchText = string.Empty;
+
+        [ObservableProperty]
+        private bool _isCaseSensitive;
+
+        [ObservableProperty]
+        private bool _useRegex;
+
+        [ObservableProperty]
+        private ObservableCollection<LogEntry> _logEntries = new();
+
+        [ObservableProperty]
+        private ExportSettings _exportSettings = new();
+
+        [ObservableProperty]
         private bool _isLoading;
 
-        public string SearchText
-        {
-            get => _searchText;
-            set => SetProperty(ref _searchText, value);
-        }
-
-        public object SelectedObject
-        {
-            get => _selectedObject;
-            set => SetProperty(ref _selectedObject, value);
-        }
-
-        public object SelectedTreeItem
-        {
-            get => _selectedTreeItem;
-            set
-            {
-                if (SetProperty(ref _selectedTreeItem, value))
-                {
-                    // Actualizar el objeto seleccionado para PropertyGrid
-                    SelectedObject = _selectedTreeItem;
-
-                    // Acciones específicas según el tipo de objeto seleccionado
-                    if (_selectedTreeItem is S7Function fc)
-                    {
-                        // Si el objeto seleccionado es una función, actualizar su interfaz
-                        UpdateFunctionInterface(fc);
-                    }
-                }
-            }
-        }
-
-        /// <summary>
-        /// Actualiza la información de interfaz de una función seleccionada
-        /// </summary>
-        private void UpdateFunctionInterface(S7Function fc)
-        {
-            try
-            {
-                // Aquí podríamos cargar información adicional específica de la función
-                // Por ejemplo, cargar el código de la función, detalles de parámetros, etc.
-
-                // Actualizar estadísticas o análisis de la función
-                // Por ejemplo, mostrar uso de la función en otros bloques
-
-                // Este método se ejecutará cuando el usuario seleccione una FC en el árbol
-            }
-            catch (Exception)
-            {
-                // Ignorar errores para no interrumpir la experiencia del usuario
-            }
-        }
-
-        public ObservableCollection<S7Object> ProjectStructure
-        {
-            get => _projectStructure;
-            set => SetProperty(ref _projectStructure, value);
-        }
-
-        public string ProjectInfo
-        {
-            get => _projectInfo;
-            set => SetProperty(ref _projectInfo, value);
-        }
-
-        public bool IsLoading
-        {
-            get => _isLoading;
-            set => SetProperty(ref _isLoading, value);
-        }
-
-        public IRelayCommand OpenProjectCommand { get; }
-        public IRelayCommand SearchCommand { get; }
-
         public MainViewModel()
         {
-            ProjectStructure = new ObservableCollection<S7Object>();
-            OpenProjectCommand = new RelayCommand(OpenProject);
-            SearchCommand = new RelayCommand(SearchInProject);
-            ProjectInfo = "No hay proyecto abierto";
+            _projectService = new ProjectService();
+            _exportService = new ExportService();
+            _searchHelper = new SearchHelper();
+
+            // Initialize log entries collection
+            LogEntries = LogService.Instance.Logs;
+
+            // Initialize export settings
+            ExportSettings.ExportPath = Path.Combine(
+                Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
+                "S7Documentation.txt");
         }
 
-        private void OpenProject()
+        partial void OnSelectedItemChanged(ProjectItem? value)
         {
-            var dialog = new VistaOpenFileDialog
-            {
-                Title = "Seleccionar archivo de proyecto STEP7",
-                Filter = "Proyectos STEP7 (*.s7p)|*.s7p|Todos los archivos (*.*)|*.*",
-                CheckFileExists = true
-            };
+            SelectedItemDetails = value?.GetDetailsObject();
+        }
 
-            if (dialog.ShowDialog() == true)
+        [RelayCommand]
+        private async Task LoadProject()
+        {
+            try
             {
-                LoadProjectAsync(dialog.FileName);
+                var dialog = new VistaOpenFileDialog
+                {
+                    Title = "Open Siemens S7 Project",
+                    Filter = "S7 Projects (*.s7p)|*.s7p|All files (*.*)|*.*",
+                    CheckFileExists = true
+                };
+
+                if (dialog.ShowDialog() == true)
+                {
+                    ProjectPath = dialog.FileName;
+                    await LoadProjectFromPath(ProjectPath);
+                }
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError(ex);
+                MessageBox.Show($"Error loading project: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
             }
         }
 
-        private async void LoadProjectAsync(string filePath)
+        [RelayCommand]
+        private async Task ReloadProject()
+        {
+            if (string.IsNullOrEmpty(ProjectPath) || !File.Exists(ProjectPath))
+            {
+                _logService.LogWarning("No project loaded to reload");
+                return;
+            }
+
+            await LoadProjectFromPath(ProjectPath);
+        }
+
+        private async Task LoadProjectFromPath(string path)
         {
             try
             {
                 IsLoading = true;
-                ProjectInfo = "Cargando proyecto...";
 
-                // Reiniciar estado
-                ProjectStructure.Clear();
-                _currentProject = null;
+                // Load the project
+                _logService.LogInfo($"Loading project from {path}");
+                ProjectStructure = await _projectService.LoadProjectAsync(path);
 
-                // Parsear proyecto
-                var parser = new S7ProjectParser(filePath);
-                _currentProject = await parser.ParseProjectAsync();
-
-                // Actualizar UI
-                ProjectStructure.Add(_currentProject);
-                _currentProject.IsExpanded = true;
-
-                // Actualizar info
-                ProjectInfo = $"Proyecto: {Path.GetFileNameWithoutExtension(filePath)}";
+                if (ProjectStructure != null)
+                {
+                    IsProjectLoaded = true;
+                    _logService.LogInfo("Project loaded successfully");
+                }
+                else
+                {
+                    IsProjectLoaded = false;
+                    _logService.LogError("Failed to load project");
+                    MessageBox.Show("Failed to load project", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
             }
             catch (Exception ex)
             {
-                MessageBox.Show($"Error al cargar el proyecto: {ex.Message}", "Error",
-                                MessageBoxButton.OK, MessageBoxImage.Error);
-                ProjectInfo = "Error al cargar el proyecto";
+                _logService.LogError(ex);
+                MessageBox.Show($"Error loading project: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
             }
             finally
             {
@@ -156,125 +143,166 @@ namespace S7Explorer.ViewModels
             }
         }
 
-        private void SearchInProject()
+        [RelayCommand]
+        private void Search()
         {
-            if (_currentProject == null || string.IsNullOrWhiteSpace(SearchText))
+            if (!IsProjectLoaded || ProjectStructure == null)
+            {
+                _logService.LogWarning("No project loaded to search");
                 return;
+            }
+
+            if (string.IsNullOrWhiteSpace(SearchText))
+            {
+                _logService.LogWarning("No search text specified");
+                return;
+            }
 
             try
             {
-                // Recopilar todos los objetos en el proyecto
-                var allObjects = GetAllObjects(_currentProject);
+                var results = _searchHelper.Search(ProjectStructure, SearchText, IsCaseSensitive, UseRegex);
 
-                // Lista para almacenar coincidencias
-                var matchingObjects = new List<S7Object>();
-
-                // Buscar en función del texto de búsqueda
-                string searchText = SearchText.Trim().ToLowerInvariant();
-
-                // Buscar objetos que coincidan con el texto
-                foreach (var obj in allObjects)
+                if (results.Count == 0)
                 {
-                    // Comprobar si el texto de búsqueda parece ser una referencia a FC específica
-                    if (searchText.StartsWith("fc") && searchText.Length >= 3)
-                    {
-                        // Si es una función específica (por ejemplo "fc5")
-                        if (obj is S7Function func &&
-                            func.Number.ToLowerInvariant() == searchText)
-                        {
-                            matchingObjects.Add(func);
-                        }
-                    }
-                    // Comprobar si queremos encontrar todas las FCs
-                    else if (searchText == "fc" || searchText == "función" || searchText == "funcion")
-                    {
-                        if (obj is S7Function)
-                        {
-                            matchingObjects.Add(obj);
-                        }
-                    }
-                    // Búsqueda en parámetros de función
-                    else if (obj is S7Function func)
-                    {
-                        if (func.ContainsText(searchText))
-                        {
-                            matchingObjects.Add(func);
-                        }
-                        else if (func.Parameters != null)
-                        {
-                            // Buscar en los parámetros de la función
-                            foreach (var param in func.Parameters)
-                            {
-                                if (param.Name.ToLowerInvariant().Contains(searchText) ||
-                                    param.DataType.ToLowerInvariant().Contains(searchText) ||
-                                    (param.Description?.ToLowerInvariant().Contains(searchText) ?? false))
-                                {
-                                    matchingObjects.Add(func);
-                                    break;
-                                }
-                            }
-                        }
-                    }
-                    // Búsqueda general para otros objetos
-                    else if (obj.ContainsText(searchText))
-                    {
-                        matchingObjects.Add(obj);
-                    }
-                }
-
-                if (matchingObjects.Count == 0)
-                {
-                    MessageBox.Show($"No se encontraron coincidencias para: {SearchText}",
-                                    "Búsqueda", MessageBoxButton.OK, MessageBoxImage.Information);
+                    _logService.LogInfo($"No results found for '{SearchText}'");
+                    MessageBox.Show($"No results found for '{SearchText}'", "Search Results", MessageBoxButton.OK, MessageBoxImage.Information);
                     return;
                 }
 
-                // Seleccionar el primer objeto coincidente y expandir su ruta
-                var firstMatch = matchingObjects.First();
-                SelectAndExpandToObject(firstMatch);
+                // Show search results dialog
+                ShowSearchResults(results);
+            }
+            catch (Exception ex)
+            {
+                _logService.LogError(ex);
+                MessageBox.Show($"Error during search: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
 
-                // Informar al usuario
-                if (matchingObjects.Count > 1)
+        private void ShowSearchResults(List<SearchResult> results)
+        {
+            // In a full implementation, this would show a dialog or window with search results
+            // For demonstration, we'll just select the first result and expand to it
+            if (results.Count > 0)
+            {
+                var firstResult = results[0];
+                TreeViewHelper.ExpandToItem(firstResult.Item);
+                SelectedItem = firstResult.Item;
+
+                _logService.LogInfo($"Found {results.Count} results, highlighted first result");
+                MessageBox.Show($"Found {results.Count} results", "Search Results", MessageBoxButton.OK, MessageBoxImage.Information);
+            }
+        }
+
+        [RelayCommand]
+        private async Task ExportDocumentation()
+        {
+            if (!IsProjectLoaded || ProjectStructure == null)
+            {
+                _logService.LogWarning("No project loaded to export");
+                return;
+            }
+
+            try
+            {
+                // Show export settings dialog
+                bool proceed = ShowExportSettings();
+
+                if (!proceed)
+                    return;
+
+                IsLoading = true;
+
+                // Export the documentation
+                bool success = await _exportService.ExportProjectAsync(ProjectStructure, ExportSettings);
+
+                if (success)
                 {
-                    MessageBox.Show($"Se encontraron {matchingObjects.Count} coincidencias. " +
-                                    "Mostrando la primera coincidencia.",
-                                    "Búsqueda", MessageBoxButton.OK, MessageBoxImage.Information);
+                    _logService.LogInfo($"Documentation exported to {ExportSettings.ExportPath}");
+                    MessageBox.Show($"Documentation exported to {ExportSettings.ExportPath}", "Export Complete", MessageBoxButton.OK, MessageBoxImage.Information);
+                }
+                else
+                {
+                    _logService.LogError("Failed to export documentation");
+                    MessageBox.Show("Failed to export documentation", "Export Failed", MessageBoxButton.OK, MessageBoxImage.Error);
                 }
             }
             catch (Exception ex)
             {
-                MessageBox.Show($"Error durante la búsqueda: {ex.Message}",
-                                "Error", MessageBoxButton.OK, MessageBoxImage.Error);
+                _logService.LogError(ex);
+                MessageBox.Show($"Error exporting documentation: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+            finally
+            {
+                IsLoading = false;
             }
         }
 
-        private IEnumerable<S7Object> GetAllObjects(S7Object root)
+        private bool ShowExportSettings()
         {
-            // Devolver el objeto raíz
-            yield return root;
-
-            // Recursivamente devolver todos los hijos
-            foreach (var child in root.Children)
+            // Show file save dialog for export path
+            var dialog = new VistaSaveFileDialog
             {
-                foreach (var obj in GetAllObjects(child))
+                Title = "Export Documentation",
+                Filter = GetExportFilter(),
+                FileName = Path.GetFileName(ExportSettings.ExportPath),
+                InitialDirectory = Path.GetDirectoryName(ExportSettings.ExportPath)
+            };
+
+            if (dialog.ShowDialog() == true)
+            {
+                ExportSettings.ExportPath = dialog.FileName;
+
+                // Determine export format from file extension
+                string extension = Path.GetExtension(dialog.FileName).ToLower();
+                ExportSettings.ExportFormat = extension switch
                 {
-                    yield return obj;
-                }
+                    ".md" => ExportFormat.MarkDown,
+                    ".html" => ExportFormat.HTML,
+                    ".json" => ExportFormat.JSON,
+                    _ => ExportFormat.PlainText
+                };
+
+                return true;
+            }
+
+            return false;
+        }
+
+        private string GetExportFilter()
+        {
+            return "Text Files (*.txt)|*.txt|" +
+                   "Markdown Files (*.md)|*.md|" +
+                   "HTML Files (*.html)|*.html|" +
+                   "JSON Files (*.json)|*.json|" +
+                   "All Files (*.*)|*.*";
+        }
+
+        [RelayCommand]
+        private void ExpandAll()
+        {
+            if (ProjectStructure != null)
+            {
+                TreeViewHelper.ExpandAll(ProjectStructure);
+                _logService.LogInfo("Expanded all tree nodes");
             }
         }
 
-        private void SelectAndExpandToObject(S7Object obj)
+        [RelayCommand]
+        private void CollapseAll()
         {
-            // Expandir todos los nodos padres hasta llegar al objeto
-            var parent = obj.Parent;
-            while (parent != null)
+            if (ProjectStructure != null)
             {
-                parent.IsExpanded = true;
-                parent = parent.Parent;
+                TreeViewHelper.CollapseAll(ProjectStructure);
+                _logService.LogInfo("Collapsed all tree nodes");
             }
+        }
 
-            // Seleccionar el objeto
-            SelectedTreeItem = obj;
+        [RelayCommand]
+        private void ClearLog()
+        {
+            LogEntries.Clear();
+            _logService.LogInfo("Log cleared");
         }
     }
 }

ViewModels/S7ObjectViewModel.cs

@@ -1,12 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace S7Explorer.ViewModels
-{
-    class S7ObjectViewModel
-    {
-    }
-}

ViewModels/ViewModelBase.cs

@@ -0,0 +1,15 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using S7Explorer.Services;
+
+namespace S7Explorer.ViewModels
+{
+    public class ViewModelBase : ObservableObject
+    {
+        protected readonly LogService _logService;
+
+        public ViewModelBase()
+        {
+            _logService = LogService.Instance;
+        }
+    }
+}

Views/MainWindow.xaml

@@ -1,67 +0,0 @@
-<Window x:Class="S7Explorer.Views.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:xctk="http://schemas.xceed.com/wpf/xaml/toolkit" xmlns:local="clr-namespace:S7Explorer" mc:Ignorable="d"
-        Title="S7 Project Explorer" Height="600" Width="900">
-    <Grid>
-        <Grid.RowDefinitions>
-            <RowDefinition Height="Auto" />
-            <RowDefinition Height="*" />
-        </Grid.RowDefinitions>
-
-        <!-- Toolbar -->
-        <Grid Grid.Row="0" Margin="8">
-            <Grid.ColumnDefinitions>
-                <ColumnDefinition Width="Auto" />
-                <ColumnDefinition Width="*" />
-                <ColumnDefinition Width="Auto" />
-                <ColumnDefinition Width="Auto" />
-            </Grid.ColumnDefinitions>
-
-            <Button Grid.Column="0" Content="Abrir Proyecto" Command="{Binding OpenProjectCommand}" Padding="8,4"
-                    Margin="0,0,8,0" />
-
-            <TextBox Grid.Column="1" Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}" Padding="4"
-                    Margin="0,0,8,0" VerticalContentAlignment="Center" KeyDown="SearchBox_KeyDown" />
-
-            <Button Grid.Column="2" Content="Buscar" Command="{Binding SearchCommand}" Padding="8,4" Margin="0,0,8,0" />
-
-            <TextBlock Grid.Column="3" Text="{Binding ProjectInfo}" VerticalAlignment="Center" />
-        </Grid>
-
-        <!-- Main Content -->
-        <Grid Grid.Row="1">
-            <Grid.ColumnDefinitions>
-                <ColumnDefinition Width="300" MinWidth="200" />
-                <ColumnDefinition Width="Auto" />
-                <ColumnDefinition Width="*" />
-            </Grid.ColumnDefinitions>
-
-            <!-- Project Structure TreeView -->
-            <TreeView Grid.Column="0" Margin="8,0,0,8" ItemsSource="{Binding ProjectStructure}"
-                    SelectedItemChanged="TreeView_SelectedItemChanged">
-                <TreeView.ItemTemplate>
-                    <HierarchicalDataTemplate ItemsSource="{Binding Children}">
-                        <StackPanel Orientation="Horizontal">
-                            <Image Source="{Binding IconSource}" Width="16" Height="16" Margin="0,0,4,0" />
-                            <TextBlock Text="{Binding Name}" />
-                        </StackPanel>
-                    </HierarchicalDataTemplate>
-                </TreeView.ItemTemplate>
-                <TreeView.ItemContainerStyle>
-                    <Style TargetType="TreeViewItem">
-                        <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}" />
-                    </Style>
-                </TreeView.ItemContainerStyle>
-            </TreeView>
-
-            <!-- Splitter -->
-            <GridSplitter Grid.Column="1" Width="5" HorizontalAlignment="Center" VerticalAlignment="Stretch" />
-
-            <!-- Property Grid -->
-            <xctk:PropertyGrid Grid.Column="2" Margin="0,0,8,8" SelectedObject="{Binding SelectedObject}"
-                    AutoGenerateProperties="True" ShowSearchBox="True" ShowSortOptions="True" ShowTitle="True" />
-        </Grid>
-    </Grid>
-</Window>

Views/MainWindow.xaml.cs

@@ -1,37 +0,0 @@
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Input;
-using S7Explorer.ViewModels;
-
-namespace S7Explorer.Views
-{
-    public partial class MainWindow : Window
-    {
-        private MainViewModel ViewModel => (MainViewModel)DataContext;
-
-        public MainWindow()
-        {
-            InitializeComponent();
-            DataContext = new MainViewModel();
-        }
-
-        private void TreeView_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
-        {
-            if (ViewModel != null)
-            {
-                ViewModel.SelectedTreeItem = e.NewValue;
-            }
-        }
-
-
-
-        private void SearchBox_KeyDown(object sender, KeyEventArgs e)
-        {
-            if (e.Key == Key.Enter && ViewModel != null)
-            {
-                ViewModel.SearchCommand.Execute(null);
-                e.Handled = true;
-            }
-        }
-    }
-}