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); }