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| //
// Example 1: Implement a simple event handler.
//
HRESULT STDMETHODCALLTYPE
CTAPIEventNotification::Event(
TAPI_EVENT TapiEvent,
IDispatch * pEvent
)
{
// AddRef the event so it does not go away.
pEvent->AddRef();
// Post a message to our own UI thread.
BOOL bMessage;
bMessage = PostMessage(
ghDlg,
WM_PRIVATETAPIEVENT,
(WPARAM) TapiEvent,
(LPARAM) pEvent
);
// If (bMessage == 0) process the error here.
return S_OK;
}
//
// Example 2: Register the event interface.
//
long gulAdvise; // Globally declared
IConnectionPointContainer * pCPC;
IConnectionPoint * pCP;
IUnknown * pUnk;
// Get the connection point container
// interface pointer from the TAPI object.
hr = gpTapi->QueryInterface(
IID_IConnectionPointContainer,
(void **)&pCPC
);
// If ( hr != S_OK O) process the error here.
// Get the ITTAPIEventNotification interface
// pointer from the container.
hr = pCPC->FindConnectionPoint(
IID_ITTAPIEventNotification,
&pCP
);
// If ( hr != S_OK O) process the error here.
pCPC->Release();
// Create a private event notification object.
pTapiEventNotification = new CTAPIEventNotification;
hr = pTAPIEventNotification->QueryInterface(
IID_IUnknown,
(void **)&pUnk
);
// If ( hr != S_OK O) process the error here.
// Call the advise method to give TAPI
// the IUnknown pointer for the event handler.
hr = pCP->Advise(
pUnk,
(ULONG *)&gulAdvise
);
// If ( hr != S_OK O) process the error here.
pCP->Release();
//
// Example 3: Set the event filter.
//
// Assume we are interested
// only in call-related events.
hr = gpTapi->put_EventFilter(
TE_CALLNOTIFICATION | TE_CALLSTATE | TE_CALLMEDIA
);
// If ( hr != S_OK O) process the error here.
//
// Example 4: Register an address with TAPI
// for call notifications. Assume we are interested
// in video and audio calls, and that pAddress
// is a pointer to the ITAddress interface of
// an address that can handle both media types.
long glRegister; // Globally declared
hr = gpTapi->RegisterCallNotifications(
pAddress,
VARIANT_TRUE, // monitor privileges
VARIANT_TRUE, // owner privileges
TAPIMEDIATYPE_AUDIO|TAPIMEDIATYPE_VIDEO,
gulAdvise, // As returned by Advise
&glRegister
);
// If ( hr != S_OK O) process the error here. |
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