Invoked when the dragging operation is complete, signaling the receiver to perform any necessary clean-up.
- macOS 10.0+
The object sending the message; use it to get details about the dragging operation.
For this method to be invoked, the previous
perform must have returned
The destination implements this method to perform any tidying up that it needs to do, such as updating its visual representation now that it has incorporated the dragged data. This message is the last message sent from
sender to the destination during a dragging session.
animates property was set to
prepare, then the drag image is still visible. At this point you should draw the final visual representation in the view. When this method returns, the drag image is removed form the screen. If your final visual representation matches the visual representation in the drag, this is a seamless transition.