>Hey folks,
>
>I'd like to fade my window out if any portion of it is visible to the  
>user, otherwise I simply want to close it for speed. Is there an easy  
>way to determine if some portion of the window is visible?
I do not know, whether this is a "dirty" hack (are there clean hacks?), but you 
can read the frames of the screens
http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/Classes/NSScreen_Class/Reference/Reference.html#//apple_ref/occ/clm/NSScreen/screens

http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/Classes/NSScreen_Class/Reference/Reference.html#//apple_ref/occ/instm/NSScreen/frame

and clip it with you window frame. 

http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/Classes/NSWindow_Class/Reference/Reference.html#//apple_ref/occ/instm/NSWindow/frame

That probably works.

Cheers,

Amin

>
>Thanks!
>
>Jason
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