public void TestQueryInstrument() { _api.OnRspQryInstrument += new TradeApi.RspQryInstrument((ref CThostFtdcInstrumentField pInstrument, ref CThostFtdcRspInfoField pRspInfo, int nRequestID, byte bIsLast) => { if (pRspInfo.ErrorID == 0) { Console.WriteLine("合约查询成功, InstrumentID: {0}", pInstrument.InstrumentID); } else { Console.WriteLine(pRspInfo.ErrorMsg); } Assert.IsTrue(pRspInfo.ErrorID == 0); }); _api.QueryInstrument(1, "bu1712"); Thread.Sleep(200); }