HRESULT MatchLost( [in] IWDTFTarget2 *pTarget, [in] IMatchEventSource *pSource );
The specific IWDTFTarget2 instance that no longer matches.
The specific IMatchEventSource instance that this event was sent from.
If you return an error (or throw an exception from script) while receiving the MatchLost callback, the first error will be saved and eventually returned from your call to IWDTFDeviceDepot2::UpdateAndReportMatches. Returning an error will not stop additional MatchLost and IMatchEvents::MatchFound callbacks from being sent.
You can enable the MatchLost event by calling IMatchEventSource::Start.
When the MatchLost event is sent, it means that an IWDTFTarget2 object was removed (or an existing one changed) so that it no longer matches the IMatchEventSource::SDEL statement that was specified when the IMatchEventSource instance was created.
Build date: 3/12/2012