The enumerator which is used as parameter for get_dragDropEffect method of DragDropManager and set_dragDropMode method of $IG.DragDropBehavior. The value of None means no effect. The value of Move means move effect regardless of Ctrl key. The value of Copy means copy effect regardless of Ctrl key. The value of Default means copy effect if Ctrl key is pressed and move is Ctrl key is not pressed.
Object
Infragistics.Web.UI.DragDropEffects