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DragAndDrop with Treeview and ListBox on ChildWindow does not work?

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DragAndDrop
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Michele Denison
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Michele Denison asked on 26 Mar 2010, 09:11 AM
Hi,

I have a childwindow that contain a RadTreeView and a listbox. I would like to be able to drag-and-drop items between the two elements.
Am able to drag from the listbox and drop in the treeview by adding the childwindow to the ParticipatingVisualRoots  in the OnDragQuery() event handler for the listbox. But dragging from the RadTreeView does not work.
What seams to be the problem? Maybe am missing something here.

HELP!!!
Thanks.

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Tina Stancheva
Telerik team
answered on 29 Mar 2010, 12:29 PM
Hello Michele Denison,

The RadTreeView handles internally the OnDraqQuery() event. Therefore, you need to attach the handler as shown below:

myTreeView.AddHandler(RadDragAndDropManager.DragQueryEvent,
                                              new EventHandler<DragDropQueryEventArgs>(OnDragQuery),true);


Is this the way you're attaching it? If it is, can you please send me a sample of your code to investigate the issue further. If not, can you please try this and let me know how it goes.

Please let me if you need more info.

Kind regards,
Tina Stancheva
the Telerik team

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Michele Denison
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answered on 29 Mar 2010, 12:53 PM
THANKS A LOT Tina.
You made my day, now i can go to sleep.

cheers.
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DragAndDrop
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Michele Denison
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Tina Stancheva
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Michele Denison
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