Function GdipBitmapUnlockBits
pub unsafe extern "system" fn GdipBitmapUnlockBits(
bitmap: *mut GpBitmap,
lockedbitmapdata: *mut BitmapData,
) -> Status
pub unsafe extern "system" fn GdipBitmapUnlockBits(
bitmap: *mut GpBitmap,
lockedbitmapdata: *mut BitmapData,
) -> Status