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I want to know if I can slowly increase the alpha MainWindow when I open the app and when I close the app. I know it may involve timers, and things like that, but I never dealt with this kind of thing before. I need your help guys...!
Kevin
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Use NSViewAnimation. Despite the name, it works on windows as well as views.
[self setAlphaValue:0];
That'll set the alpha of the window. Just create an NSTimer that either adds or subtracts to bring the alpha up or down. The Value is an <#(CGFloat)windowAlpha#>.