public static extern int TdReqQrySecurity(IntPtr pApi, ThostFtdcQrySecurityField pQrySecurity, int nRequestID);
/// <summary> ///请求查询证券 /// </summary> public int ReqQrySecurity(ThostFtdcQrySecurityField pQrySecurity, int nRequestID) { return(Interop.TdReqQrySecurity(Handle, pQrySecurity, nRequestID)); }