private void DetachAdorners() { if (_insertAdorner != null) { _insertAdorner.Destroy(); _insertAdorner = null; } if (_dragAdorner != null) { _dragAdorner.Destroy(); _dragAdorner = null; } }
private void InitializeDragAdorner(ItemsControl itemsControl, object dragData, Point startPosition) { if (this.DataTemplate != null) { if (_dragAdorner == null) { var adornerLayer = AdornerLayer.GetAdornerLayer(itemsControl); _dragAdorner = new DragAdorner(dragData, DataTemplate, itemsControl, adornerLayer); _dragAdorner.UpdatePosition(startPosition.X, startPosition.Y); } } }