public static extern int TdReqQryMarginRate(IntPtr pApi, ThostFtdcQryMarginRateField pQryMarginRate, int nRequestID);
/// <summary> ///投资者保证金率查询 /// </summary> public int ReqQryMarginRate(ThostFtdcQryMarginRateField pQryMarginRate, int nRequestID) { return(Interop.TdReqQryMarginRate(Handle, pQryMarginRate, nRequestID)); }