Function CoCreateInstanceEx 

pub unsafe fn CoCreateInstanceEx<'a, T1__: IntoParam<'a, IUnknown>>(
    clsid: *const Guid,
    punkouter: T1__,
    dwclsctx: u32,
    pserverinfo: *mut COSERVERINFO,
    dwcount: u32,
    presults: *mut MULTI_QI,
) -> ErrorCode