public IConnectionPointImpl<T, &__uuidof(_ITableEvents)>

{

HRESULT Fire_OnUpdateJoin(BSTR filename, BSTR fieldList, BSTR joinOptions, ITable* joinSource)

{

HRESULT hr = S_OK;

T * pThis = static_cast<T *>(this);

int cConnections = m_vec.GetSize();

for (int iConnection = 0; iConnection < cConnections; iConnection++)

{

pThis->Lock();

CComPtr<IUnknown> punkConnection = m_vec.GetAt(iConnection);

pThis->Unlock();

IDispatch * pConnection = static_cast<IDispatch *>(punkConnection.p);

if (pConnection)

{

CComVariant avarParams[4];

avarParams[3] = filename;

avarParams[3].vt = VT_BSTR;

avarParams[2] = fieldList;

avarParams[2].vt = VT_BSTR;

avarParams[1] = joinOptions;

avarParams[1].vt = VT_BSTR;

avarParams[0] = joinSource;

avarParams[0].vt = VT_DISPATCH;

DISPPARAMS params = { avarParams, NULL, 4, 0 };

hr = pConnection->Invoke(1, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &params, NULL, NULL, NULL);

}

}

//m_vec.clear(); // .NET clients are unable to remove handlers, so let's try the strategy:

// register listener before each deserialization

return hr;

}