private static void MenuItemsSourceChanged(IMenu menu, AttachedMemberChangedEventArgs <IEnumerable> args)
        {
            var generator = menu.GetBindingMemberValue(AttachedMembers.Menu.ItemsSourceGenerator);

            if (generator != null)
            {
                generator.SetItemsSource(args.NewValue);
            }
        }
 private static void MenuItemsSourceChanged(IMenu menu, AttachedMemberChangedEventArgs<IEnumerable> args)
 {
     var generator = menu.GetBindingMemberValue(AttachedMembers.Menu.ItemsSourceGenerator);
     if (generator != null)
         generator.SetItemsSource(args.NewValue);
 }