Merge pull request #507 from gumme/WpfDesignerPasteErrorFix

Wpf designer fixes when pasting items

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Xaml/XamlEditOperations.cs

@@ -131,7 +131,7 @@ namespace ICSharpCode.WpfDesign.Designer.Xaml
 								AddInParent(parent, pastedItems);
 								pasted = true;
 							}
-						} else if (pastedItems.Count == 1 && parent.ContentProperty.Value == null && parent.ContentProperty.ValueOnInstance == null && DefaultPlacementBehavior.CanContentControlAdd((ContentControl)parent.View)) {
+						} else if (pastedItems.Count == 1 && parent.ContentProperty.Value == null && parent.ContentProperty.ValueOnInstance == null && parent.View is ContentControl && DefaultPlacementBehavior.CanContentControlAdd((ContentControl)parent.View)) {
 							AddInParent(parent, pastedItems);
 							pasted = true;
 						}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.XamlDom/Project/XamlParser.cs

@@ -726,6 +726,7 @@ namespace ICSharpCode.WpfDesign.XamlDom
 				
 				XamlParser parser = new XamlParser();
 				parser.settings = settings;
+				parser.errorSink = (IXamlErrorSink)settings.ServiceProvider.GetService(typeof(IXamlErrorSink));
 				parser.document = root.OwnerDocument;
 				var xamlObject = parser.ParseObject(element as XmlElement);
 				if (xamlObject != null)