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How to restrict dropping of a dragged TreeViewItemAdv over a target TreeViewItemAdv?

Platform: WPF |
Control: TreeViewAdv |
Published Date: November 25, 2016 |
Last Revised Date: November 25, 2016

DragEnd

DragEnd event alerts user when the dragged TreeViewItemAdv is about to drop over a target. The event arguments are TargetDropItem and AllowDragDrop.

 

TargetDropItem

It holds the instance of target drop TreeViewItemAdv.

 

AllowDragDrop

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.

XAML

 

C#

 

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