IGlobalInterfaceTable alternate for marshalling in multithreaded enviroment




     typedef CComQIPtr<IWebBrowser2,&IID_IWebBrowser2> IWebBrowserQIPtr;    
     CComPtr<IDispatch> spBrowserPointer ;    
     IWebBrowserQIPtr pBrowserPtr;
     HRESULT hres = S_OK;
     DWORD dwCookie = 0;
     //Create the GIT
     IGlobalInterfaceTable* pGlobalInterfaceTable = NULL;
     hres = ::CoCreateInstance(CLSID_StdGlobalInterfaceTable,NULL,CLSCTX_INPROC_SERVER,IID_IGlobalInterfaceTable,(void**)&pGlobalInterfaceTable);
     //Register the interface in the GIT
     hres = pGlobalInterfaceTable ->RegisterInterfaceInGlobal(pBrowserPtr,IID_IWebBrowser2,&dwCookie);
    
     //this can be used in were ever we unmarshall and use.
     //hres =pGlobalInterfaceTable->GetInterfaceFromGlobal(dwCookie,IID_IWebBrowser2,(void**)&pWebBrowserPtr);
    
     //this should be called after using and remove the entry from table 
     //pGlobalInterfaceTable->RevokeInterfaceFromGlobal(dwCookie);
     pGlobalInterfaceTable->Release( );//Don't need the GIT