public int SendOrder(
     int OrderRef,
     string szInstrument,
     TThostFtdcDirectionType Direction,
     string szCombOffsetFlag,
     string szCombHedgeFlag,
     int VolumeTotalOriginal,
     double LimitPrice,
     TThostFtdcOrderPriceTypeType OrderPriceType,
     TThostFtdcTimeConditionType TimeCondition,
     TThostFtdcContingentConditionType ContingentCondition,
     double StopPrice,
     TThostFtdcVolumeConditionType VolumeCondition)
 {
     return(m_Api.SendOrder(
                OrderRef,
                szInstrument,
                Direction,
                szCombOffsetFlag,
                szCombHedgeFlag,
                VolumeTotalOriginal,
                LimitPrice,
                OrderPriceType,
                TimeCondition,
                ContingentCondition,
                StopPrice,
                VolumeCondition));
 }