MFC ActiveX

//如果是取容器接口指针
　　LPOLECONTAINER lpContainer;
　　HRESULT hr = m_pClientSite->GetContainer(&lpContainer);
　　//如果是取窗口句柄
　　HWND m_hWndParent;
　　IOleInPlaceSite *pOleInPlaceSite = NULL;
　　if (NOERROR==m_pClientSite->QueryInterface(IID_IOleInPlaceSite, (LPVOID *)&pOleInPlaceSite))
　　{
　　pOleInPlaceSite->GetWindow((HWND *)&m_hWndParent);
　　pOleInPlaceSite->Release();
　　}