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