Function GdipSetPathGradientGammaCorrection
pub unsafe extern "system" fn GdipSetPathGradientGammaCorrection(
brush: *mut GpPathGradient,
usegammacorrection: BOOL,
) -> Status
pub unsafe extern "system" fn GdipSetPathGradientGammaCorrection(
brush: *mut GpPathGradient,
usegammacorrection: BOOL,
) -> Status