public void TestQueryInvestorPosition() { _api.OnRspQryInvestorPosition += new TradeApi.RspQryInvestorPosition((ref CThostFtdcInvestorPositionField pInvestorPosition, ref CThostFtdcRspInfoField pRspInfo, int nRequestID, byte bIsLast) => { if (pRspInfo.ErrorID == 0) { Console.WriteLine("投资者持仓查询成功, InstrumentID: {0}", pInvestorPosition.InstrumentID); } else { Console.WriteLine(pRspInfo.ErrorMsg); } Assert.IsTrue(pRspInfo.ErrorID == 0); }); _api.QueryInvestorPosition(1); Thread.Sleep(200); }