public static void SetGammaGreen(int gamma)
{
if (gamma <= 256 && gamma >= 1)
{
RAMPGREEN ramp = new RAMPGREEN();
ramp.Green = new ushort[256];
for (int i = 1; i < 256; i++)
{
int iArrayValue = i * (gamma + 128);
if (iArrayValue > 65535)
{
iArrayValue = 65535;
}
ramp.Green[i] = (ushort)iArrayValue;
}
SetDeviceGammaRampGREEN(GetDC(IntPtr.Zero), ref ramp);
}
}
public static extern bool SetDeviceGammaRampGREEN(IntPtr hDC, ref RAMPGREEN lpRamp);