S7Explorer/App.xaml.cs

using System;
using System.IO;
using System.Windows;
using System.Windows.Media.Imaging;

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
        }
    }
}