Fluent.InRibbonGallery.OnFilterMenuItemClick C# (CSharp) Метод

        void OnFilterMenuItemClick(object sender, RoutedEventArgs e)
        {
            MenuItem senderItem = (MenuItem)sender;
            MenuItem item = GetFilterMenuItem(SelectedFilter);
            item.IsChecked = false;
            senderItem.IsChecked = true;
            SelectedFilter = senderItem.Tag as GalleryGroupFilter;
            groupsMenuButton.IsDropDownOpen = false;
            e.Handled = true;
        }