How can i set the Mac Colorful Loading Cursor to an NSImageView?

Question

I know how to set a NSCursor when the mouse enters the NSImageView, but I can't find a way to set this particular cursor:

How can I set this one?

Answer 1

The spinning wait cursor is a Mac OS X system cursor that indicates an application is not responding to system events. This is NOT a good thing. Experienced users that see this cursor will think that your application has hung and will force quit it.

How can I set this one?

Don't respond to system events and the system will display it for you… [\humor]