void ReqQrySettlementInfo()
{
ThostFtdcQrySettlementInfoField req = new ThostFtdcQrySettlementInfoField();
req.BrokerID = BROKER_ID;
req.InvestorID = INVESTOR_ID;
int iResult = api.ReqQrySettlementInfo(req, ++iRequestID);
Console.WriteLine("--->>> 用户查询结算信息: " + ((iResult == 0) ? "成功" : "失败"));
}