Function FileSaveRestoreW 

pub unsafe fn FileSaveRestoreW<P1, P2, P3>(
    hdlg: HWND,
    lpfilelist: P1,
    lpdir: P2,
    lpbasename: P3,
    dwflags: u32,
) -> Result<()>
where
    P1: Param<PCWSTR>,
    P2: Param<PCWSTR>,
    P3: Param<PCWSTR>,