Function CreatePolygonRgn
pub unsafe extern "system" fn CreatePolygonRgn(
pptl: *const POINT,
cpoint: i32,
imode: CREATE_POLYGON_RGN_MODE,
) -> HRGN
pub unsafe extern "system" fn CreatePolygonRgn(
pptl: *const POINT,
cpoint: i32,
imode: CREATE_POLYGON_RGN_MODE,
) -> HRGN