NullReferenceException: 並未將物件參考設定為物件的執行個體。
StackTrace:
   於 IntelliTools.Domain.Favorite.FavorItemExtension.GetParentHierarchyIds(FavorItem item)
   於 IntelliTools.Domain.Favorite.FavorItemExtension.MoveTo(FavorItem item, FavorItem parentItem, Int32 index)
   於 IntelliTools.View.Favorite.FavorCollectWindow.DoFavorite()
   於 IntelliTools.View.Favorite.FavorCollectWindow.<.ctor>b__0_0(Object s, EventArgs e)
   於 System.Windows.Window.OnClosed(EventArgs e)
   於 System.Windows.Window.WmDestroy()
   於 System.Windows.Window.WindowFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   於 System.Windows.Interop.HwndSource.PublicHooksFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   於 MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   於 MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   於 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   於 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)