DragEnd event alerts user when the dragged TreeViewItemAdv is about to drop over a target. The event arguments are TargetDropItem and AllowDragDrop.
It holds the instance of target drop TreeViewItemAdv.
Indicates whether the drop operation has to be allowed or not.
The following code example shows how to restrict dropping over a TreeViewItemAdv using DropEnd event and its arguments. This allows drop operation only on the first level items of TreeViewAdv.
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