pub unsafe extern "system" fn MsiUseFeatureExW(
szproduct: PCWSTR,
szfeature: PCWSTR,
dwinstallmode: u32,
dwreserved: u32,
) -> INSTALLSTATE
pub unsafe extern "system" fn MsiUseFeatureExW(
szproduct: PCWSTR,
szfeature: PCWSTR,
dwinstallmode: u32,
dwreserved: u32,
) -> INSTALLSTATE