Hi Ludovic Alcala,
Please check the attached project. It demonstrates how to avoid dragging when performing scroll. The idea is to get the element below the mouse when the drag starts. It can be achieved using the following code:
(e.Options.Status == DragStatus.DragQuery)
e.Options.ArrowCue = RadDragAndDropManager.GenerateArrowCue();
var element = e.GetElement<ScrollBar>(e.Options.MouseClickPoint);
e.QueryResult = e.QueryResult.Value && element ==
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