Description: screen brightness change the procedure, for some graphics effective, display parameters can be changed Some video cards allows you to program mingly modify the Gamma Ramp values. You can use this feature to change the brightness of the ent ire screen. The API functi SetDeviceGammaRamp on receive an array of 256 RGB values. Increasin g the values in this array will make your screen b Righter, and decreasing these values will make your scre en darker. You can also increase or decrease the intesity of the red/green/blue components. Fo r example : Increasing the blue component in all RGB values blue will add more color to the entire display.
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