public static extern int TdReqQryClassifiedInstrument(IntPtr pApi, ThostFtdcQryClassifiedInstrumentField pQryClassifiedInstrument, int nRequestID);
/// <summary> ///请求查询分类合约 /// </summary> public int ReqQryClassifiedInstrument(ThostFtdcQryClassifiedInstrumentField pQryClassifiedInstrument, int nRequestID) { return Interop.TdReqQryClassifiedInstrument(Handle, pQryClassifiedInstrument, nRequestID); }