/// <summary> /// 撤单。 /// </summary> /// <param name="orderNum">委托单号。</param> /// <param name="product">委托产品。</param> /// <param name="error">[out]撤单失败错误信息。</param> /// <returns>撤单是否成功。</returns> public abstract bool CancelOrder(USeOrderNum orderNum, USeInstrument product, out string error);
///// <summary> ///// 查询当日某一合约的委托回报。 ///// </summary> ///// <param name="product">合约。</param> ///// <returns></returns> //public abstract USeOrderBook[] QueryOrderBooks(USeInstrument product); /// <summary> /// 查询指定委托单号的委托回报。 /// </summary> /// <param name="orderNum"></param> /// <returns></returns> public abstract USeOrderBook QueryOrderBook(USeOrderNum orderNum);