//实现IClonable接口并重写Clone方法就可以实现深克隆了

        #region ICloneable 成员

        public object Clone()
        {
            MemoryStream ms = new MemoryStream();

            BinaryFormatter bf = new BinaryFormatter();
            bf.Serialize(ms, this);
            ms.Seek(0, 0);
            object value = bf.Deserialize(ms);

            ms.Close();

            return value;//this.MemberwiseClone();

        }

        #endregion