public static T Clone<T>(T RealObject)

        {

            using (Stream objectStream = new MemoryStream())

            {

                //利用 System.Runtime.Serialization序列化与反序列化完成引用对象的复制  

                IFormatter formatter = new BinaryFormatter();

                formatter.Serialize(objectStream, RealObject);

                objectStream.Seek(0, SeekOrigin.Begin);

                return (T)formatter.Deserialize(objectStream);

            }

        }