DropTarget Event: the cursor has left the drop target boundaries OR the drop operation has been cancelled (such as by hitting ECS) OR the drop is about to happen (user has released the mouse button over this target) (value is 2003).
See Implementation
DropTarget Event: the cursor has left the drop target boundaries OR the drop operation has been cancelled (such as by hitting ECS) OR the drop is about to happen (user has released the mouse button over this target) (value is 2003).