public void TestQueryExchange() { _api.OnRspQryExchange += new TradeApi.RspQryExchange((ref CThostFtdcExchangeField pExchange, ref CThostFtdcRspInfoField pRspInfo, int nRequestID, byte bIsLast) => { if (pRspInfo.ErrorID == 0) { Console.WriteLine("交易所查询成功, ExchangeID: {0}", pExchange.ExchangeID); } else { Console.WriteLine(pRspInfo.ErrorMsg); } Assert.IsTrue(pRspInfo.ErrorID == 0); }); _api.QueryExchange(1, "SHFE"); Thread.Sleep(200); }