pub unsafe extern "system" fn InitPropVariantVectorFromPropVariant(
propvarsingle: *const PROPVARIANT,
ppropvarvector: *mut PROPVARIANT,
) -> HRESULT
pub unsafe extern "system" fn InitPropVariantVectorFromPropVariant(
propvarsingle: *const PROPVARIANT,
ppropvarvector: *mut PROPVARIANT,
) -> HRESULT