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Prevent auto expand of treenode during drag/drop

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Sunandini
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Sunandini asked on 04 Dec 2009, 11:01 PM
Hi,

Our application has a Telerik Tree and Grid. We allow drag and drop between the Tree and Grid and within the tree. When we drag and drop into the tree and node over which it moves gets auto expanded. How can we prevent this?

We saw a solution for a similar problem on the ASP .NET forum.
http://www.telerik.com/community/forums/aspnet-ajax/treeview/prevent-auto-expand-of-nodes-during-drag-and-drop.aspx


Is there one for WPF?

Thanks,
-Sunandini

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Kiril Stanoev
Telerik team
answered on 08 Dec 2009, 10:03 AM
Hi Sunandini,

You can use RadTreeView's DropExpandDelay property and set to some large quantity.

treeview.DropExpandDelay = TimeSpan.FromMinutes(60);

Please have a look at this forum thread. Also, I have attached my sample project for further reference. Let me know if this is of any help.


Kind regards,
Kiril Stanoev
the Telerik team

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