private void RemoveErrorAdorner()
{
if (this.dropErrorAdorner == null)
return;
this.dropErrorAdorner.Detach();
this.dropErrorAdorner = (DropErrorAdorner) null;
}
private void CreateErrorAdorner(string error, Control dropTarget)
{
if (this.dropErrorAdorner != null)
return;
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer((Visual) this.dragSourceControl);
this.dropErrorAdorner = new DropErrorAdorner(error, DragDropHelper.GetDropErrorTemplate((DependencyObject) dropTarget), (UIElement) this.sourceItemContainer, adornerLayer);
}
