成员的完整列表，这些成员属于 CThostFtdcExchangeCombActionField,包括所有继承而来的类成员

ActionLocalID	CThostFtdcExchangeCombActionField
ActionStatus	CThostFtdcExchangeCombActionField
ClientID	CThostFtdcExchangeCombActionField
CombDirection	CThostFtdcExchangeCombActionField
Direction	CThostFtdcExchangeCombActionField
ExchangeID	CThostFtdcExchangeCombActionField
ExchangeInstID	CThostFtdcExchangeCombActionField
HedgeFlag	CThostFtdcExchangeCombActionField
InstallID	CThostFtdcExchangeCombActionField
IPAddress	CThostFtdcExchangeCombActionField
MacAddress	CThostFtdcExchangeCombActionField
NotifySequence	CThostFtdcExchangeCombActionField
ParticipantID	CThostFtdcExchangeCombActionField
SequenceNo	CThostFtdcExchangeCombActionField
SettlementID	CThostFtdcExchangeCombActionField
TraderID	CThostFtdcExchangeCombActionField
TradingDay	CThostFtdcExchangeCombActionField
Volume	CThostFtdcExchangeCombActionField