Function UpdateLayeredWindow 

pub unsafe fn UpdateLayeredWindow<'a, T0__: IntoParam<'a, HWND>, T1__: IntoParam<'a, HDC>, T4__: IntoParam<'a, HDC>>(
    hwnd: T0__,
    hdcdst: T1__,
    pptdst: *mut POINT,
    psize: *mut SIZE,
    hdcsrc: T4__,
    pptsrc: *mut POINT,
    crkey: u32,
    pblend: *mut BLENDFUNCTION,
    dwflags: UpdateLayeredWindow_dwFlags,
) -> BOOL