Globally hide mouse cursor in Cocoa/Carbon?

Question

Is there a way to globally hide the mouse cursor for all apps in Cocoa (or Carbon)? Or at least replace it with something else?

EDIT: Thanks for the input guys, but turn

Answer 1

No, I don't believe there's a way of doing what you want, short of showing a full screen window and then obscuring absolutely everything on the desktop. That would also prevent e.g. keystrokes being sent to the right application and the like.