Microsoft Speech Platform
ISpNotifyTranslator::InitSpNotifyCallback
ISpNotifyTranslator::InitSpNotifyCallback sets up this instance to call the virtual method ISpNotifyCallback::NotifyCallback for notifications.
HRESULT InitSpNotifyCallback(
ISpNotifyCallback *pSpCallback,
WPARAM wParam,
LPARAM lParam
);
Parameters
- pSpCallback
- [in] A pointer to an application-defined implementation of the ISpNotifyCallback interface.
- wParam
- [in] Constant WPARAM value that will be passed to the ISpNotifyCallback::NotifyCallback method when it is called.
- lParam
- [in] Constant LPARAM value that will be passed to the ISpNotifyCallback::NotifyCallback method when it is called.
Return values
| Value | Description |
|---|---|
| S_OK | Function completed successfully. |
| SPERR_ALREADY_INITIALIZED | Translator object is already initialized. |
| E_INVALIDARG | pSpNotifyCallback is invalid or bad. |
| FAILED(hr) | Appropriate error message. |
Remarks
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.