// 取得结果串
    public string getResultString(OpRes res)
    {
        int id = (int)res;

        if (m_ops.ContainsKey(id))
        {
            OpResInfo info = m_ops[id];
            return(info.m_fmt);
        }
        return("");
    }
    // 取得结果串
    public string getResultString(OpRes res, object p1, object p2)
    {
        int id = (int)res;

        if (m_ops.ContainsKey(id))
        {
            OpResInfo info = m_ops[id];
            return(string.Format(info.m_fmt, p1, p2));
        }
        return("");
    }