//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(, );

            object value = bf.Deserialize(ms);

            ms.Close();

            return value;//this.MemberwiseClone();

        }

        #endregion