Peristiwa Khusus Perangkat Telepon dan Alamat

Contoh kode berikut mengilustrasikan penanganan aktivitas untuk peristiwa alamat dan perangkat telepon. Kode untuk setiap peristiwa menunjukkan cara membuat antarmuka peristiwa dan cara mengambil data peristiwa.

HRESULT STDMETHODCALLTYPE CMyEventNotification::Event(
   TAPI_EVENT TapiEvent,
   IDispatch * pEvent
)
{
    HRESULT hr = S_OK;
    //...
    switch (TapiEvent) 
    {
        case TE_ADDRESSDEVSPECIFIC:
        {
            ITAddressDeviceSpecificEvent* pITADSEvent = NULL;

            hr = pEvent->QueryInterface( 
                               IID_ITAddressDeviceSpecificEvent,
                               (void **)(&pITADSEvent) );
            // If (hr != S_OK) process the error here...

            // Retrieve data received from the TSP.
            long lParam1=0;
            hr = pITADSEvent->get_lParam1(&lParam1);
            // If (hr != S_OK) process the error here...

            long lParam2=0;
            hr = pITADSEvent->get_lParam2(&lParam2);
            // If (hr != S_OK) process the error here...

            long lParam3=0; 
            hr = pITADSEvent->get_lParam3(&lParam3);
            // If (hr !=S_OK) process the error here...

            // Process the data here.
            // ...
            pITADSEvent->Release();
            break;
        }

        case TE_PHONEDEVSPECIFIC:
        {
            ITPhoneDeviceSpecificEvent* pITPhEvent = NULL;

            hr = pEvent->QueryInterface( 
                            IID_ITPhoneDeviceSpecificEvent,
                            (void **)(&pITPhEvent) );
            // If (hr != S_OK) process the error here...

            // Retrieve data received from the TSP.
            long lParam1=0;
            hr = pITPhEvent->get_lParam1(&lParam1);
            // If (hr != S_OK) process the error here...

            long lParam2=0;
            hr = pITPhEvent->get_lParam2(&lParam2);
            // If (hr != S_OK) process the error here...

            long lParam3=0;
            hr = pITPhEvent->get_lParam3(&lParam3);
            // If (hr != S_OK) process the error here...

            // Process the data here.
            //...
            pITPhEvent->Release();
            break;
        }
        //...
    } // end of switch 
    //...
}