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);
}
}
}
}