Invoked when the image is released, allowing the receiver to agree to or refuse drag operation.
- macOS 10.0+
The object sending the message; use it to get details about the dragging operation.
true if the receiver agrees to perform the drag operation and
false if not.
If you want the drag items to animate from their current location on screen to their final location in your view, set the sender object’s
animates property to
true in your implementation of this method.