private void RenderPictureSingleClick(object sender, RoutedEventArgs e)
        {
            if (!((((sender as MenuItem)?.Parent as ContextMenu)?.PlacementTarget as FrameworkElement)?.DataContext is Mallow mallow))
            {
                return;
            }

            PictureRender.RenderSingle(mallow);
        }
 private void RenderPictureClick(object sender, RoutedEventArgs e)
 {
     PictureRender.RenderSingle(MallowSource.CurrentSource.Current.CurrentMallow);
 }