Function GetDateFormatEx

pub unsafe fn GetDateFormatEx<P0, P3, P6>(
    lplocalename: P0,
    dwflags: ENUM_DATE_FORMATS_FLAGS,
    lpdate: Option<*const SYSTEMTIME>,
    lpformat: P3,
    lpdatestr: Option<&mut [u16]>,
    lpcalendar: P6,
) -> i32
where
    P0: Param<PCWSTR>,
    P3: Param<PCWSTR>,
    P6: Param<PCWSTR>,