ISpNotifyTranslator::InitSpNotifyCallback (SAPI 5.4)

Speech API 5.4
Microsoft Speech API 5.4

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

ValueDescription
S_OKFunction completed successfully.
SPERR_ALREADY_INITIALIZEDTranslator object is already initialized.
E_INVALIDARGpSpNotifyCallback 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.

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