Returns the type of drag operation that should be performed if the image were released now.
- macOS 10.0+
The drag information.
The pasteboard type that will be read from the dragging pasteboard.
The drag operation that should be performed if the image were released now.
The returned value should be one of the following:
The data represented by the image will be copied.
The data will be shared.
The operation will be defined by the destination.
The operation is negotiated privately between the source and the destination.
If none of the operations is appropriate, this method should return