public void TestQueryTradingCode() { _api.OnRspQryTradingCode += new TradeApi.RspQryTradingCode((ref CThostFtdcTradingCodeField pTradingCode, ref CThostFtdcRspInfoField pRspInfo, int nRequestID, byte bIsLast) => { if (pRspInfo.ErrorID == 0) { Console.WriteLine("交易编码查询成功, InvestorID: {0}", pTradingCode.InvestorID); } else { Console.WriteLine(pRspInfo.ErrorMsg); } Assert.IsTrue(pRspInfo.ErrorID == 0); }); _api.QueryTradingCode(1); Thread.Sleep(200); }