public override void Close()
{
VerifyResult(_cco.Close());
_cco.DataEvent -= (_IOPOSElectronicValueRWEvents_DataEventEventHandler)_cco_DataEvent;
_cco.DirectIOEvent -= (_IOPOSElectronicValueRWEvents_DirectIOEventEventHandler)_cco_DirectIOEvent;
_cco.ErrorEvent -= (_IOPOSElectronicValueRWEvents_ErrorEventEventHandler)_cco_ErrorEvent;
_cco.OutputCompleteEvent -= (_IOPOSElectronicValueRWEvents_OutputCompleteEventEventHandler)_cco_OutputCompleteEvent;
_cco.StatusUpdateEvent -= (_IOPOSElectronicValueRWEvents_StatusUpdateEventEventHandler)_cco_StatusUpdateEvent;
_cco.TransitionEvent -= (_IOPOSElectronicValueRWEvents_TransitionEventEventHandler)_cco_TransitionEvent;
_cco = null;
}
