Intenado usar TreeView

MainWindow.xaml

@@ -204,12 +204,10 @@
                     </ToolBar>
                 </ToolBarTray>
 
-                <!-- ListBox -->
+                <TreeView x:Name="TreeViewOs" Grid.Row="1" Margin="5" ItemsSource="{Binding ObjetosSimulables}"
-                <ListBox x:Name="ListaOs" Grid.Row="1" Margin="5" ItemsSource="{Binding ObjetosSimulables}"
+                        SelectedItemChanged="TreeViewOs_SelectedItemChanged">
-                        SelectedItem="{Binding SelectedItemOsList, Mode=TwoWay}"
+                    <TreeView.ItemTemplate>
-                        SelectionChanged="ListaOs_SelectionChanged">
+                        <HierarchicalDataTemplate ItemsSource="{Binding Clones}">
-                    <ListBox.ItemTemplate>
-                        <DataTemplate>
                             <TextBlock Text="{Binding Nombre}">
                                 <TextBlock.Style>
                                     <Style TargetType="TextBlock">
@@ -224,9 +222,9 @@
                                     </Style>
                                 </TextBlock.Style>
                             </TextBlock>
-                        </DataTemplate>
+                        </HierarchicalDataTemplate>
-                    </ListBox.ItemTemplate>
+                    </TreeView.ItemTemplate>
-                </ListBox>
+                </TreeView>
 
                 <!-- GridSplitter -->
                 <GridSplitter Grid.Row="2" Height="5" HorizontalAlignment="Stretch" Background="Gray"

MainWindow.xaml.cs

@@ -460,12 +460,12 @@ namespace CtrEditor
             tt.Y = relativeY - cursorPosition.Y * st.ScaleY;
         }
 
-        private void ListaOs_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        private void TreeViewOs_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
         {
             //PanelEdicion.Children.Clear();  // Limpiar el panel existente
             UserControlFactory.LimpiarPropiedadesosDatos(PanelEdicion);
 
-            if (e.AddedItems.Count > 0 && e.AddedItems[0] is osBase selectedObject)
+            if (e.NewValue != null && e.NewValue is osBase selectedObject)
                 CargarPropiedadesosDatos(selectedObject);
         }