LPOPENTNEFSTREAMEX

HRESULT LPOPENTNEFSTREAMEX(
    void* lpvSupport,
    IStream* lpStream,
    CHAR* lpszStreamName,
    DWORD ulFlags,
    IMessage* lpMessage,
    WORD wKeyVal,
    IAddrBook* lpAdressBook,
    ITnef** lppTNEF
);