public static extern int TdReqQryCreditUnderlying(IntPtr pApi, ThostFtdcQryCreditUnderlyingField pQryCreditUnderlying, int nRequestID);
/// <summary> ///请求查询投资者融资融券标的证券信息 /// </summary> public int ReqQryCreditUnderlying(ThostFtdcQryCreditUnderlyingField pQryCreditUnderlying, int nRequestID) { return(Interop.TdReqQryCreditUnderlying(Handle, pQryCreditUnderlying, nRequestID)); }