private void DetachDragAdorner() { if (m_itemAdorner != null) { m_itemAdorner.Destroy(); m_itemAdorner = null; } }
private void InitializeDragAdorner(ItemsControl itemsControl, object dragData, Point startPosition) { if (this.DataTemplate != null) { if (m_itemAdorner == null) { var adornerLayer = AdornerLayer.GetAdornerLayer(itemsControl); UIElement itemContainer = ItemsControlHelper.GetItemContainerFromItemsControl(itemsControl); if (itemContainer != null) { m_itemAdorner = new DragAdorner(dragData, DataTemplate, itemContainer, adornerLayer); m_itemAdorner.UpdatePosition(startPosition.X, startPosition.Y); } } } }