using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.Xml.Serialization;
using System.IO;

2.1 二进制方式
ClassTest Ct = new ClassTest();
Ct.SetUserInfo(textBox1.Text, textBox2.Text);
IFormatter Fm = new BinaryFormatter();
Stream stream = new FileStream(@"E:"测试"类序列化"类序列化测试"类序列化测试"myfile.bin", FileMode.Create, FileAccess.ReadWrite, FileShare.None);

Fm.Serialize(stream, Ct);
stream.Close();
2.2 XML 方式
ClassTest Ct = new ClassTest();
Ct.SetUserInfo(textBox1.Text, textBox2.Text);
XmlSerializer Xs = new XmlSerializer(typeof(ClassTest));
StreamWriter myWriter = new StreamWriter(@"E:"测试"类序列化"类序列化测试"类序列化测试"myfile.xml");

Xs.Serialize(myWriter, Ct);
myWriter.Close();

IFormatter formatter = new BinaryFormatter();
Stream stream = new FileStream(@"E:"测试"类序列化"类序列化测试"类序列化测试"myfile.bin", FileMode.Open,

FileAccess.Read, FileShare.Read);
ClassTest obj = (ClassTest)formatter.Deserialize(stream);
stream.Close();