private void RemoveInsertionAdorner() { if (this.insertionAdorner == null) return; this.insertionAdorner.Detach(); this.insertionAdorner = (InsertionAdorner) null; }
private void CreateInsertionAdorner() { if (this.targetItemContainer == null) return; this.insertionAdorner = new InsertionAdorner(this.hasVerticalOrientation, this.isInFirstHalf, (UIElement) this.targetItemContainer, AdornerLayer.GetAdornerLayer((Visual) this.targetItemContainer)); }