Function RegLoadMUIStringW 

pub unsafe fn RegLoadMUIStringW<P1, P6>(
    hkey: HKEY,
    pszvalue: P1,
    pszoutbuf: Option<PWSTR>,
    cboutbuf: u32,
    pcbdata: Option<*mut u32>,
    flags: u32,
    pszdirectory: P6,
) -> WIN32_ERROR
where
    P1: Param<PCWSTR>,
    P6: Param<PCWSTR>,