fix context menu commands implemented as ICommand in Windows Forms Designer

src/Main/ICSharpCode.Core.WinForms/ICSharpCode.Core.WinForms.csproj

@@ -44,10 +44,19 @@
   </PropertyGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />
   <ItemGroup>
+    <Reference Include="PresentationCore">
+      <RequiredTargetFramework>3.0</RequiredTargetFramework>
+    </Reference>
+    <Reference Include="PresentationFramework">
+      <RequiredTargetFramework>3.0</RequiredTargetFramework>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
+    <Reference Include="WindowsBase">
+      <RequiredTargetFramework>3.0</RequiredTargetFramework>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\GlobalAssemblyInfo.cs">

src/Main/ICSharpCode.Core.WinForms/Menu/MenuCommand.cs

@@ -66,9 +66,9 @@ namespace ICSharpCode.Core.WinForms
 		protected override void OnClick(System.EventArgs e)
 		{
 			base.OnClick(e);
-			if (command != null && command.CanExecute(caller)) {
-				ServiceSingleton.GetRequiredService<IAnalyticsMonitor>().TrackFeature(command.GetType().FullName, "Menu");
-				command.Execute(caller);
+			command = CommandWrapper.Unwrap(command);
+			if (command != null) {
+				MenuService.ExecuteCommand(command, caller);
 			}
 		}
 		

src/Main/ICSharpCode.Core.WinForms/Menu/MenuService.cs

@@ -12,6 +12,8 @@ namespace ICSharpCode.Core.WinForms
 {
 	public static class MenuService
 	{
+		public static Action<System.Windows.Input.ICommand, object> ExecuteCommand;
+		
 		public static void AddItemsToMenu(ToolStripItemCollection collection, object owner, string addInTreePath)
 		{
 			AddItemsToMenu(collection, AddInTree.BuildItems<MenuItemDescriptor>(addInTreePath, owner, false));

src/Main/SharpDevelop/Workbench/WpfWorkbench.cs

@@ -121,6 +121,7 @@ namespace ICSharpCode.SharpDevelop.Workbench
 			DockPanel.SetDock(statusBar, Dock.Bottom);
 			dockPanel.Children.Insert(dockPanel.Children.Count - 2, statusBar);
 			
+			Core.WinForms.MenuService.ExecuteCommand = ExecuteCommand;
 			UpdateMenu();
 			
 			AddHandler(Hyperlink.RequestNavigateEvent, new RequestNavigateEventHandler(OnRequestNavigate));
@@ -140,6 +141,21 @@ namespace ICSharpCode.SharpDevelop.Workbench
 			SD.StatusBar.SetMessage("${res:MainWindow.StatusBar.ReadyMessage}");
 		}
 		
+		void ExecuteCommand(ICommand command, object caller)
+		{
+			ServiceSingleton.GetRequiredService<IAnalyticsMonitor>()
+				.TrackFeature(command.GetType().FullName, "Menu");
+			var routedCommand = command as System.Windows.Input.RoutedCommand;
+			if (routedCommand != null) {
+				var target = System.Windows.Input.FocusManager.GetFocusedElement(this);
+				if (routedCommand.CanExecute(caller, target))
+					routedCommand.Execute(caller, target);
+			} else {
+				if (command.CanExecute(caller))
+					command.Execute(caller);
+			}
+		}
+		
 		// keep a reference to the event handler to prevent it from being garbage collected
 		// (CommandManager.RequerySuggested only keeps weak references to the event handlers)
 		EventHandler requerySuggestedEventHandler;