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

ActionDay	CThostFtdcDepthMarketDataField
AskPrice1	CThostFtdcDepthMarketDataField
AskPrice2	CThostFtdcDepthMarketDataField
AskPrice3	CThostFtdcDepthMarketDataField
AskPrice4	CThostFtdcDepthMarketDataField
AskPrice5	CThostFtdcDepthMarketDataField
AskVolume1	CThostFtdcDepthMarketDataField
AskVolume2	CThostFtdcDepthMarketDataField
AskVolume3	CThostFtdcDepthMarketDataField
AskVolume4	CThostFtdcDepthMarketDataField
AskVolume5	CThostFtdcDepthMarketDataField
AveragePrice	CThostFtdcDepthMarketDataField
BidPrice1	CThostFtdcDepthMarketDataField
BidPrice2	CThostFtdcDepthMarketDataField
BidPrice3	CThostFtdcDepthMarketDataField
BidPrice4	CThostFtdcDepthMarketDataField
BidPrice5	CThostFtdcDepthMarketDataField
BidVolume1	CThostFtdcDepthMarketDataField
BidVolume2	CThostFtdcDepthMarketDataField
BidVolume3	CThostFtdcDepthMarketDataField
BidVolume4	CThostFtdcDepthMarketDataField
BidVolume5	CThostFtdcDepthMarketDataField
ClosePrice	CThostFtdcDepthMarketDataField
CurrDelta	CThostFtdcDepthMarketDataField
ExchangeID	CThostFtdcDepthMarketDataField
ExchangeInstID	CThostFtdcDepthMarketDataField
HighestPrice	CThostFtdcDepthMarketDataField
InstrumentID	CThostFtdcDepthMarketDataField
LastPrice	CThostFtdcDepthMarketDataField
LowerLimitPrice	CThostFtdcDepthMarketDataField
LowestPrice	CThostFtdcDepthMarketDataField
OpenInterest	CThostFtdcDepthMarketDataField
OpenPrice	CThostFtdcDepthMarketDataField
PreClosePrice	CThostFtdcDepthMarketDataField
PreDelta	CThostFtdcDepthMarketDataField
PreOpenInterest	CThostFtdcDepthMarketDataField
PreSettlementPrice	CThostFtdcDepthMarketDataField
SettlementPrice	CThostFtdcDepthMarketDataField
TradingDay	CThostFtdcDepthMarketDataField
Turnover	CThostFtdcDepthMarketDataField
UpdateMillisec	CThostFtdcDepthMarketDataField
UpdateTime	CThostFtdcDepthMarketDataField
UpperLimitPrice	CThostFtdcDepthMarketDataField
Volume	CThostFtdcDepthMarketDataField