public void onParticipantCreate( MamdaSubscription subscription, MamdaMultiParticipantManager manager, string participantId, NullableBool isPrimary) { MamdaTradeListener aTradeListener = new MamdaTradeListener(); MamdaQuoteListener aQuoteListener = new MamdaQuoteListener(); ComboTicker aTicker = new ComboTicker(); aTradeListener.addHandler(aTicker); aQuoteListener.addHandler(aTicker); manager.addParticipantListener(aTradeListener, participantId); manager.addParticipantListener(aQuoteListener, participantId); }