Re: Capturing windows in an NSImage

FROM : Ryan Britton
DATE : Thu Jul 20 02:14:15 2006

Try this:

man screencapture


On Jul 19, 2006, at 2:31 PM, Eric Summers wrote:

> I'm trying to figure out how programs like Apple's Grab screen capture
> application get an image of other application windows.  I thought 
> of using
> an AppleEvent to get the bounds of the windows then capturing the 
> data using
> a big transparent window, but that wouldn't work if the window is 
> hidden.
> Grab will get the image data even if the window is hidden.  Anyone 
> know how
> the Grab application works?
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