protected override void OnPropertyChanged(PropertyNotificationEventArgs args)
 {
     if (args.PropertyName.Equals("Visual"))
     {
         _display = args.NewValue as OpenFalconTextureDisplay;
         OnRefresh();
     }
     base.OnPropertyChanged(args);
 }
 protected override void OnPropertyChanged(PropertyNotificationEventArgs args)
 {
     if (args.PropertyName.Equals("Visual"))
     {
         _display = args.NewValue as OpenFalconTextureDisplay;
         OnRefresh();
     }
     base.OnPropertyChanged(args);
 }