HRESULT LockSet(BOOL fLock);
Sets the lock status for a speech-recognition results object.
· Returns NOERROR if successful, or one of these error values:
E_INVALIDARG
E_OUTOFMEMORY
SRERR_NOTSUPPORTED
fLock
[in] TRUE if the results object should be locked and if its data should be prevented from deteriorating, or FALSE if the results object should be allowed to deteriorate.
An application can preserve a results object indefinitely by calling LockSet with fLock set to TRUE.