C / C++ / MFC

__declspec(dllexport) void Init(SMESSAGE* sMessage);
EXTERN_C const IID DIID__IEventFiringObjectEvents;

template <class T>
class CProxy_IEventFiringObjectEvents : public IConnectionPointImpl<T, &DIID__IEventFiringObjectEvents, CComDynamicUnkArray>
{
    //extern "C" __declspec(dllexport) void Init(SMESSAGE* sMessage)
    __declspec(dllexport) void Init(SMESSAGE* sMessage)
    {
        CComVariant varResult;
        VARIANT          var;
        T* pT = static_cast<T*>(this);
        int nConnectionIndex;
        int nConnections = m_vec.GetSize();

        for (nConnectionIndex = 0; nConnectionIndex < nConnections; nConnectionIndex++)
        {
            pT->Lock();
            CComPtr<IUnknown> sp = m_vec.GetAt(nConnectionIndex);
            pT->Unlock();
            IDispatch* pDispatch = reinterpret_cast<IDispatch*>(sp.p);

            if (pDispatch != NULL)
            {
                VariantInit(&var);
                VariantClear(&var);
                V_VT(&var) = VT_RECORD | VT_BYREF;
                V_RECORD(&var) = &sMessage;

                DISPPARAMS disp = { &var, NULL, 5, 0 };
                pDispatch->Invoke(0x4, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &disp, &varResult, NULL, NULL);
            }
        }
    }

};

<pre>#ifdef __cplusplus
   extern "C"
#endif