CGAcquireDisplayFadeReservation(kCGMaxDisplayReservationInterval, &token);
CGDisplayFade( token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0, 0, 0, YES );
CGAcquireDisplayFadeReservation(kCGMaxDisplayReservationInterval, &token);
CGDisplayFade( token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0, 0, 0, YES );