/// <summary>
///请求查询产品组
/// </summary>
public int ReqQryProductGroup(ThostFtdcQryProductGroupField pQryProductGroup, int nRequestID)
{
return(Interop.TdReqQryProductGroup(Handle, pQryProductGroup, nRequestID));
}
public static extern int TdReqQryProductGroup(IntPtr pApi, ThostFtdcQryProductGroupField pQryProductGroup, int nRequestID);
