C#SoapFormatter序列化一例：将图片读写入xml文件，并能根据需要在PictureBox中按比例缩小显示

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

namespace WindowsApplication9
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.TextBox textBox2;
public System.Windows.Forms.OpenFileDialog ofd;
private int pbHeight;
private System.Windows.Forms.PictureBox pb;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;

public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();

//
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}

/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}

#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
System.Configuration.AppSettingsReader configurationAppSettings = new System.Configuration.AppSettingsReader();
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
this.textBox1 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.textBox2 = new System.Windows.Forms.TextBox();
this.ofd = new System.Windows.Forms.OpenFileDialog();
this.pb = new System.Windows.Forms.PictureBox();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.ImeMode = System.Windows.Forms.ImeMode.Disable;
this.textBox1.Location = new System.Drawing.Point(8, 8);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(200, 21);
this.textBox1.TabIndex = 0;
this.textBox1.Text = "";
this.textBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.uuuu);
//
// button1
//
this.button1.Location = new System.Drawing.Point(416, 0);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(80, 32);
this.button1.TabIndex = 1;
this.button1.Text = "button1";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(120, 0);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(88, 32);
this.button2.TabIndex = 2;
this.button2.Text = "button2";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(216, 8);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(200, 21);
this.textBox2.TabIndex = 3;
this.textBox2.Text = "textBox2";
//
// ofd
//
this.ofd.DefaultExt = ((string)(configurationAppSettings.GetValue("bmp", typeof(string))));
this.ofd.FileName = ((string)(configurationAppSettings.GetValue("ofd.FileName", typeof(string))));
this.ofd.ShowHelp = true;
this.ofd.Title = "你好";
this.ofd.FileOk += new System.ComponentModel.CancelEventHandler(this.openFileDialog1_FileOk);
//
// pb
//
this.pb.Image = ((System.Drawing.Image)(resources.GetObject("pb.Image")));
this.pb.Location = new System.Drawing.Point(8, 40);
this.pb.Name = "pb";
this.pb.Size = new System.Drawing.Size(580, 435);
this.pb.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
this.pb.TabIndex = 4;
this.pb.TabStop = false;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(528, 273);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.pb);
this.Name = "Form1";
this.ShowInTaskbar = false;
this.Text = "Form1";
this.TransparencyKey = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(128)), ((System.Byte)(255)));
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);

}
#endregion

/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}

private void uuuu(object sender, System.Windows.Forms.KeyPressEventArgs e)
{
TextBox a=(System.Windows.Forms.TextBox)sender;
// MessageBox.Show(a.Text);

if(a.Text.Length>=5) e.Handled=true;
}

private void Form1_Load(object sender, System.EventArgs e)
{
this.Width=700;
this.Height=520;
this.textBox1.Left=10;
this.textBox1.Top=10;
this.textBox2.Left=textBox1.Width+textBox1.Left+10;
this.button1.Left=this.textBox2.Left + this.textBox2.Width;
this.button2.Left=this.button1.Left + this.button1.Width ;
this.textBox2.Top=this.textBox1.Top;
this.button1.Top=this.textBox2.Top;
this.button2.Top=this.button1.Top;
this.pb.Top=this.textBox1.Top + this.textBox1.Height +10;
this.pb.Height=this.Height-this.pb.Top-20;
this.pb.Left=10;
this.pb.Width=this.Width/2-10-this.pb.Left;
pb.SizeMode=PictureBoxSizeMode.AutoSize;
this.Opacity=1;
pbHeight=pb.Height;
//this.pb.
}

private void openFileDialog1_FileOk(object sender, System.ComponentModel.CancelEventArgs e)
{

}

private void button2_Click(object sender, System.EventArgs e)
{
Stream stream=new FileStream("E:\\Image.xml",FileMode.Open,FileAccess.Read,FileShare.Read);
SoapFormatter f=new SoapFormatter();
Image bb=(Image)f.Deserialize(stream);
pb.Image=bb;
}

private void button1_Click(object sender, System.EventArgs e)
{
if(ofd.ShowDialog()==DialogResult.OK)
{ pb.Height=pbHeight;
PictureBox pb1=new PictureBox();
pb1.SizeMode=PictureBoxSizeMode.AutoSize;
pb1.Image=Image.FromFile(ofd.FileName);
pb.SizeMode=PictureBoxSizeMode.StretchImage;
if(pb.Height<pb1.Height)
{
pb.Width=pb.Height * pb1.Width/pb1.Height;
}
else
{
pb.Height=pb1.Height;
pb.Width=pb1.Width;
}
pb.Image=Image.FromFile(ofd.FileName);
pb1.Dispose();
Stream stream2 =ofd.OpenFile();
//将图片保存到xml文件
Stream stream = new FileStream("E:\\Image.xml",FileMode.Create,FileAccess.Write,FileShare.None);
SoapFormatter f = new SoapFormatter();
Image img = Image.FromFile(ofd.FileName);
f.Serialize(stream,img);
stream.Close();
}

}
}
}