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I’m able to capture NSWindows which are visible using code simular to the SonOfGrab Example
But how can I capture a hidden NSWindow? Or what is the way to hide a NSWindow from the user but to still appear in de Windowserver?
Thanks in advance!
It isn’t possible to capture the contents of an NSWindow which isn’t visible on-screen. When a window is minimized/hidden/whatever, the visual representation is dropped to save memory.
(Not sure on exactly how this is managed, feel free to chime in if you have a deeper knowledge of the window system. I only know this from experience, trying to capture windows with CamTwist and BoinxTV.)