Function MsiGetSummaryInformationW 

pub unsafe fn MsiGetSummaryInformationW<P1>(
    hdatabase: MSIHANDLE,
    szdatabasepath: P1,
    uiupdatecount: u32,
    phsummaryinfo: *mut MSIHANDLE,
) -> u32
where
    P1: Param<PCWSTR>,