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RadTreeView with DragAndDrop removing items
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This is a migrated thread and some comments may be shown as answers.
G.
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G. asked on 19 Jan 2011, 08:53 PM
I have a very simple question - is it possible to declaratively (in XAML) set a property that will prevent the item being dragged from being removed from the Tree (Origin)? If not, what is the recommended way to do so?

Also, I would like to know if there is a way to prevent the item from being dragged within the TreeView (onto another Node) but allow the dragging to another control.

Thanks,. G.

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Petar Mladenov
Telerik team
answered on 20 Jan 2011, 04:30 PM
Hi GEorgi,

I`ve attached two sample for you demonstrating how to copy an item from one tree to another and how to prevent the removing of the item from the source tree. Basically, the RadTreeView.PreviewDragEnded event handler is used which fires on both trees and you have to made some checks.
On the other hand, DragAndDrop functionalities can also be created with the RadDragDropManager and its events.You can also define custom Drag Cue / Arrow with them. There is an article here which is a good starting point. Feel free to ask if you need more info.

Regards,
Petar Mladenov
the Telerik team
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