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DragCue over scrollbar

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paul orsillo
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paul orsillo asked on 01 Jul 2010, 02:50 PM
Hi, I have a problem with the DragCue resetting when it crosses the Scrollbar in an expanded radtreeview.

My page is a RadWindow with a RadTreeView, RadGridView inside a Grid (Grid.Column 0 and 1 respectively) and uses RadDragAndDropManager.  The tree has 3 levels: root, child-node, leaf.
dragdrop:...allowDrop = false for the Treeview

Here are the steps:
1) In DragQuery I set the the DragCue to be the list of the headers of the leaf nodes being dragged.

2) When the mouse drag enters the ScrollBar (note that the treeview is fully expanded) the dragcue displays the header of the root node of the tree.

3) When mouse drag enters the DropTarget, in DropQuery I once again set the DragCue (as in step 1) but the dragcue doesn't show the reset value, it still displays the root node header.

All the Query/Info events seem to happen as expected but something happens over the ScrollBar. I can't disable scrolling, it is needed.

I can sort of understand the DragCue getting reset over the scrollbar (why it isn't a dropimpossible cue I don't know) but I don;t understand why my DropTarget DragCue is ignored.

BTW - the actual DragDop operation works correctly. The dragged items are removed and the dorpped items are included as designed.

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Viktor Tsvetkov
Telerik team
answered on 07 Jul 2010, 05:03 PM
Hi paul orsillo,

Could you please see the attached sample project and tell me if it reproduces your issue. If not please modify it and send it back.

Kind regards,
Viktor Tsvetkov
the Telerik team
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paul orsillo
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Viktor Tsvetkov
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