I’d like to do a tabbed window with a light blue background, instead of the standard background or brushed metal.

Is there a way to do this?

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NSWindow *myWindow = …; NSColor *myLightBlueColor = …; [myWindow setBackgroundColor: myLightBlueColor];

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Ah, thanks.

Do you know how to use my own graphics for the tabs, and changing the alternating colors for tables?

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You’ll basically have to subclass the existing control classes and override their drawing methods. However, this is a bad idea in most cases. Users expect Mac apps to look like Mac apps, not some crazy blue thingy where every control is different. That’s reserved for MicrosoftOffice.

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Or Disco. – RobRix

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Well, Disco’s more grey than blue. :P -JonathanGrynspan