Microsoft Speech SDK SAPI 5.1

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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.