| DirectX SDK | 
The DDGAMMARAMP type contains red, green, and blue ramp data for the DirectDrawGammaControl.GetGammaRamp and DirectDrawGammaControl.SetGammaRamp methods.
Type DDGAMMARAMP
    blue(0 To 255) As Integer
    green(0 To 255) As Integer
    red(0 To 255) As Integer
End Type