Microsoft Speech SDK SAPI 5.1

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ISpNotifySource::SetNotifyCallbackInterface

ISpNotifySource::SetNotifyCallbackInterface sets up this instance to call the virtual method ISpNotifyCallback::NotifyCallback for notifications.

HRESULT SetNotifyCallbackInterface(
   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.
E_INVALIDARG	pSpCallback is invalid.
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.