InvalidOperationException
   在 System.Windows.Controls.ItemCollection.CheckIsUsingInnerView()
   在 System.Windows.Controls.ItemCollection.Insert(Int32 insertIndex, Object insertItem)
   在 IntelliTools.View.Tools.FavorIconControl.<>c__DisplayClass21_0.<GetListBoxMenu>b__1(Object s, RoutedEventArgs e)
   在 System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   在 System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   在 System.Windows.Controls.MenuItem.InvokeClickAfterRender(Object arg)
   在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)