ISpNotifySource::SetNotifyCallbackInterface (SAPI 5.3)
ISpNotifySource::SetNotifyCallbackInterface sets up this instance to call the virtual method ISpNotifyCallback::NotifyCallback for notifications.
HRESULT SetNotifyCallbackInterface( ISpNotifyCallback *pSpCallback, WPARAM wParam, LPARAM lParam );
- [in] A pointer to an application-defined implementation of the ISpNotifyCallback interface.
- [in] Constant WPARAM value that will be passed to the ISpNotifyCallback::NotifyCallback method when it is called.
- [in] Constant LPARAM value that will be passed to the ISpNotifyCallback::NotifyCallback method when it is called.
|S_OK||Function completed successfully.|
|E_INVALIDARG||pSpCallback is invalid.|
|FAILED (hr)||Appropriate error message.|
The application will be called back on the same thread that calls this method. The callback will be called as a result of window message processing, so the thread must have a message pump. For more details, see the documentation for ISpNotifyCallback.