void ReqQryOrder()
{
ThostFtdcQryOrderField req = new ThostFtdcQryOrderField();
//经纪公司代码
req.BrokerID = BROKER_ID;
//交易所代码
req.ExchangeID = INVESTOR_ID;
//合约代码
req.InstrumentID = INSTRUMENT_ID;
//投资者代码
req.InvestorID = INVESTOR_ID;
int iResult = api.ReqQryOrder(req, ++iRequestID);
Console.WriteLine("--->>> 报单查询请求: " + ((iResult == 0) ? "成功" : "失败"));
}