///退订合约的相关信息 public virtual void OnRspUnSubMarketData(ref CUstpFtdcSpecificInstrumentField pSpecificInstrument, ref CUstpFtdcRspInfoField pRspInfo, int nRequestID, bool bIsLast) { }
///用户退出应答 public virtual void OnRspUserLogout(ref CUstpFtdcRspUserLogoutField pRspUserLogout, ref CUstpFtdcRspInfoField pRspInfo, int nRequestID, bool bIsLast) { }
///主题查询应答 public virtual void OnRspQryTopic(ref CUstpFtdcDisseminationField pDissemination, ref CUstpFtdcRspInfoField pRspInfo, int nRequestID, bool bIsLast) { }
///错误应答 public virtual void OnRspError(ref CUstpFtdcRspInfoField pRspInfo, int nRequestID, bool bIsLast) { }