ITCallInfoChangeEvent::get_CallbackInstance method (tapi3if.h)
The get_CallbackInstance method gets a pointer to the callback instance associated with this event.
Syntax
HRESULT get_CallbackInstance(
[out] long *plCallbackInstance
);
Parameters
[out] plCallbackInstance
Pointer to callback instance returned by ITTAPI::RegisterCallNotifications.
Return value
This method can return one of these values.
| Return code | Description |
|---|---|
|
Method succeeded. |
|
Insufficient memory exists to perform the operation. |
|
The plCallbackInstance parameter is not a valid pointer. |
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | tapi3if.h (include Tapi3.h) |
| Library | Uuid.lib |
| DLL | Tapi3.dll |