v12.0 (2014)
Possible actions for the drag and drop 2 notification.
siDragAndDropAction2.siDragOverAction // 0 siDragAndDropAction2.siDropAction // 1 siDragAndDropAction2.siDragEnterAction // 2 siDragAndDropAction2.siDragLeaveAction // 3
OnDragAndDrop Context Attribute