void tLuaCOM::releaseConnections() {
if(conn_point==NULL)
return;
conn_point->Release();
IConnectionPointContainer *pcpc;
HRESULT hr = pdisp->QueryInterface(IID_IConnectionPointContainer, (void **) &pcpc);
if(FAILED(hr))
{
return;
}
IEnumConnectionPoints *pecp;
hr = pcpc->EnumConnectionPoints(&pecp);
pcpc->Release();
if(FAILED(hr))
{
return;
}
pecp->Reset();
IConnectionPoint *pcp;
ULONG fetched = 0;
hr = pecp->Next(1, &pcp, &fetched);
while(SUCCEEDED(hr) && fetched) {
IEnumConnections *pec;
hr = pcp->EnumConnections(&pec);
if(SUCCEEDED(hr)) {
pec->Reset();
CONNECTDATA conn;
ULONG conn_fetched = 0;
hr = pec->Next(1, &conn, &conn_fetched);
while(SUCCEEDED(hr) && conn_fetched) {
pcp->Unadvise(conn.dwCookie);
hr = pec->Next(1, &conn, &conn_fetched);
}
pec->Release();
}
pcp->Release();
pecp->Next(1, &pcp, &fetched);
}
pecp->Release();
}
void CIncrementSystemBFDlg::ConnectButton1(IHTMLElement *pButtonElem)
{
HRESULT hr = 0;
IConnectionPointContainer* pCPC = NULL;
IConnectionPoint* pCP = NULL;
IUnknown* pUnk = NULL;
DWORD dwCookie;
// Check that this is a connectable object.
hr = pButtonElem->QueryInterface(IID_IConnectionPointContainer, (void**)&pCPC);
if (hr == S_OK)
{
//AfxMessageBox("ConnectionPointContainer");
// Find the connection point.
IEnumConnectionPoints *ppEnum=NULL;
hr=pCPC->EnumConnectionPoints(&ppEnum);
// ppEnum->Next()
// if( hr == S_OK)
{
//ppEnum->Next()
}
hr = pCPC->FindConnectionPoint(DIID_HTMLinputTextElementEvents2/*DIID_HTMLButtonElementEvents2*/, &pCP);
// hr = pCPC->FindConnectionPoint(__uuidof(IID_HTMLElementEvents2)/*DIID_HTMLButtonElementEvents2*/, &pCP);
if ( SUCCEEDED(hr))
{
//AfxMessageBox( "Find connection point ");
// Advise the connection point.
// pUnk is the IUnknown interface pointer for your event sink
//CDHTMLEventSink* pSink = new CDHTMLEventSink;// CMyEventSink;// ;
//pSink->SetParent(this);
//IUnknown* pUnk = pSink->GetInterface(&IID_IUnknown);
CMyEventSink* pSink = new CMyEventSink;
hr = pCP->Advise(pSink, &dwCookie);
pCP->Release();
}
pCPC->Release();
}
}
void EnumConnectionPoint(IDispatch *pDisp, LPCSTR comment)
{
if (!pDisp) return;
HRESULT hr = S_OK;
USES_CONVERSION;
IConnectionPointContainer *spCPC = NULL;
IConnectionPoint *spCP = NULL;
IEnumConnectionPoints *ppEnum = NULL;
IID id;
LPOLESTR strGUID = 0;
CComBSTR bstrId = NULL;
if(comment) cout << comment << _T(" ");
cout << _T("ConnectionPoint: [");
hr = pDisp->QueryInterface(IID_IConnectionPointContainer, reinterpret_cast<void**>(&spCPC));
if (SUCCEEDED(hr) && spCPC)
{
hr = spCPC->EnumConnectionPoints(&ppEnum);
while(SUCCEEDED(ppEnum->Next(1, &spCP, NULL)) && spCP)
{
spCP->GetConnectionInterface(&id);
// 注意此处StringFromIID的正确用法, 否则会在Debug状态下出错: user breakpoint called from code 0x7c901230
StringFromIID(id, &strGUID);
bstrId = strGUID;
CoTaskMemFree(strGUID);
cout << (bstrId ? OLE2CT(bstrId) : _T("")) << _T(", ");
}
}
cout << "]" << endl;
if(spCP) spCP->Release();
if(ppEnum) ppEnum->Release();
if(spCPC) spCPC->Release();
/*
{9bfbbc02-eff1-101a-84ed-00aa00341d07} IPropertyNotifySink
{3050f3c4-98b5-11cf-bb82-00aa00bdce0b} HTMLObjectElementEvents
{3050f620-98b5-11cf-bb82-00aa00bdce0b} HTMLObjectElementEvents2
{00020400-0000-0000-c000-000000000046} IDispatch
{1dc9ca50-06ef-11d2-8415-006008c3fbfc} ITridentEventSink
{d27cdb6d-ae6d-11cf-96b8-444553540000} ShockwaveFlashObjects::_IShockwaveFlashEvents
*/
}
