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TreeView MultiSelect DoDragDrop Crash

I''m having issues in my tree view _ItemDrag event. I have MultiSelectSameLevel on. Normal drag and drop with multiple items is fine, but when I hold down the control key to indicate move rather than copy, the DoDragDrop crashes with an IndexOutOfBounds exception in the syncfusion.tools.dll. It''s the same code either way: MyTree.DoDragDrop(new DataObject(DragDropTag.DataFormat, dragDropItems), DragDropEffects.Copy); but it only crashes when I''m holding down the control key (which isn''t checked for until the actual DragDrop event, which of course never occurs. Please advise.

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