Called while a drag operation is ongoing, when the mouse pointer enters the operable
part of the drop site for the DropTarget registered with this listener.
Called while a drag operation is ongoing, when the mouse pointer enters the operable
part of the drop site for the DropTarget registered with this listener.
Called while a drag operation is ongoing, when the mouse pointer has exited the operable
part of the drop site for the DropTarget registered with this listener.
Called while a drag operation is ongoing, when the mouse pointer has exited the operable
part of the drop site for the DropTarget registered with this listener.
A DragGestureRecognizer has detected a platform-dependent drag initiating gesture and is
notifying this listener in order for it to initiate the action for the user.