Don't show "unhandled exception" dialog for exceptions handled by the windows forms designer (SD2-1120).

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2152 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/FormsDesigner/Project/Src/Services/UIService.cs

@@ -64,7 +64,7 @@ namespace ICSharpCode.FormsDesigner.Services
 		#region Show error functions
 		public void ShowError(Exception ex)
 		{
-			MessageService.ShowError(ex);
+			MessageService.ShowError(ex.ToString());
 		}
 		
 		public void ShowError(string message)
@@ -74,7 +74,7 @@ namespace ICSharpCode.FormsDesigner.Services
 		
 		public void ShowError(Exception ex, string message)
 		{
-			MessageService.ShowError(ex, message);
+			MessageService.ShowError(message + Environment.NewLine + ex.ToString());
 		}
 		#endregion