form3.cs

C#写的Email邮件客户端程序skyemail.

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;
using System.Net.Sockets; 
using System.IO; 
using System.Text;  
using System.Runtime.InteropServices;  
using System.Security.Cryptography;

namespace SkyMail
{
	/// <summary>
	/// Form3 的摘要说明。
	/// </summary>
	public class Form3 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.TreeView treeView1;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Splitter splitter1;
		public System.Windows.Forms.ListView listView1;
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ColumnHeader columnHeader2;
		private System.Windows.Forms.ColumnHeader columnHeader3;
		private System.Windows.Forms.ColumnHeader columnHeader4;
		private System.Windows.Forms.ColumnHeader columnHeader5;
		private bool lv1_mdown = false;
		private string CRLF = "\r\n";  
		private string filename = "main.wg";  
		private string Msubject = "";  //邮件主题
		private string Mdate = "";    //日期
		private string Mfrom = "";    //发件人
		private string Mto= "";       //收件人
		private string Msize = "";    //邮件大小
		private string Mmsgid = "";   //邮件ID
		private string Mtype = "";    //编码类型
		private string Mxmailer = ""; //邮件服务器类型
		private string Mstatus = "";  //邮件状态
		private string Mcon= "";      //邮件正文
		private string Matt = "";
		private int Cfirst;
		private int Ctwo;
		private int mailcount=0;//计算每个收件箱的新邮件数
		/*
		 *存在一个问题，收件箱的个数可能是不固定，怎样进行动态显示新邮件的数目 
		 * 
		 */
		private bool Cb=false;
		private	int IntTimer=0;//修改阅读状态的时间
		TreeNode mySelectedNode;
		private System.Windows.Forms.ContextMenu contextMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.ToolBar toolBar1;
		private System.Windows.Forms.ToolBarButton toolBarButton1;
		private System.Windows.Forms.ToolBarButton toolBarButton2;
		private System.Windows.Forms.ToolBarButton toolBarButton3;
		private System.Windows.Forms.ToolBarButton toolBarButton4;
		private System.Windows.Forms.ToolBarButton toolBarButton5;
		private System.Windows.Forms.ToolBarButton toolBarButton6;
		private System.Windows.Forms.ImageList imageList1;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.MenuItem menuItem7;
		private System.Windows.Forms.MenuItem menuItem8;
		private System.Windows.Forms.MenuItem menuItem9;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuItem10;
		private System.Windows.Forms.MenuItem menuItem11;
		private System.Windows.Forms.MenuItem menuItem12;
		private System.Windows.Forms.ToolBarButton toolBarButton7;
		private System.Windows.Forms.ContextMenu contextMenu2;
		private System.Windows.Forms.MenuItem menuItem13;
		private System.Windows.Forms.MenuItem menuItem14;
		private System.Windows.Forms.MenuItem menuItem15;
		private System.Windows.Forms.MenuItem menuItem16;
		private System.Windows.Forms.MenuItem menuItem17;
		private System.Windows.Forms.MenuItem menuItem18;
		private System.Windows.Forms.NotifyIcon notifyIcon1;
		private System.Windows.Forms.ListView listView2;
		private System.Windows.Forms.ContextMenu contextMenu3;
		private System.Windows.Forms.MenuItem 打开附件;
		private System.Windows.Forms.MenuItem menuItem19;
		private System.Windows.Forms.MenuItem menuItem20;
		private System.Windows.Forms.SaveFileDialog saveFileDialog1;
		private System.Windows.Forms.Timer timer1;
		private System.Windows.Forms.ToolBarButton toolBarButton8;
		private System.Windows.Forms.ContextMenu contextMenu4;
		private System.Windows.Forms.MenuItem menuItem21;
		private System.Windows.Forms.MenuItem menuItem22;
		private System.Windows.Forms.MenuItem menuItem23;
		private System.Windows.Forms.MenuItem menuItem24;
		private System.Windows.Forms.MenuItem menuItem25;
		private System.Windows.Forms.MenuItem menuItem26;
		private System.ComponentModel.IContainer components;

		public Form3()
		{
			//
			// 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>
		static void Main() 
		{
			Application.Run(new Form3());
			
		}
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <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()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form3));
			this.treeView1 = new System.Windows.Forms.TreeView();
			this.contextMenu4 = new System.Windows.Forms.ContextMenu();
			this.menuItem21 = new System.Windows.Forms.MenuItem();
			this.menuItem22 = new System.Windows.Forms.MenuItem();
			this.menuItem23 = new System.Windows.Forms.MenuItem();
			this.menuItem24 = new System.Windows.Forms.MenuItem();
			this.menuItem25 = new System.Windows.Forms.MenuItem();
			this.menuItem26 = new System.Windows.Forms.MenuItem();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.splitter1 = new System.Windows.Forms.Splitter();
			this.listView1 = new System.Windows.Forms.ListView();
			this.columnHeader5 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader4 = new System.Windows.Forms.ColumnHeader();
			this.contextMenu1 = new System.Windows.Forms.ContextMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.menuItem11 = new System.Windows.Forms.MenuItem();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.menuItem7 = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.menuItem10 = new System.Windows.Forms.MenuItem();
			this.menuItem12 = new System.Windows.Forms.MenuItem();
			this.menuItem8 = new System.Windows.Forms.MenuItem();
			this.menuItem9 = new System.Windows.Forms.MenuItem();
			this.toolBar1 = new System.Windows.Forms.ToolBar();
			this.toolBarButton1 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton2 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton3 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton4 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton5 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton6 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton7 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton8 = new System.Windows.Forms.ToolBarButton();
			this.contextMenu2 = new System.Windows.Forms.ContextMenu();
			this.menuItem13 = new System.Windows.Forms.MenuItem();
			this.menuItem14 = new System.Windows.Forms.MenuItem();
			this.menuItem15 = new System.Windows.Forms.MenuItem();
			this.menuItem16 = new System.Windows.Forms.MenuItem();
			this.menuItem17 = new System.Windows.Forms.MenuItem();
			this.menuItem18 = new System.Windows.Forms.MenuItem();
			this.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
			this.listView2 = new System.Windows.Forms.ListView();
			this.contextMenu3 = new System.Windows.Forms.ContextMenu();
			this.打开附件 = new System.Windows.Forms.MenuItem();
			this.menuItem19 = new System.Windows.Forms.MenuItem();
			this.menuItem20 = new System.Windows.Forms.MenuItem();
			this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
			this.timer1 = new System.Windows.Forms.Timer(this.components);
			this.SuspendLayout();
			// 
			// treeView1
			// 
			this.treeView1.ContextMenu = this.contextMenu4;
			this.treeView1.ImageList = this.imageList1;
			this.treeView1.Location = new System.Drawing.Point(8, 40);
			this.treeView1.Name = "treeView1";
			this.treeView1.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {
																				  new System.Windows.Forms.TreeNode("本地文件夹", new System.Windows.Forms.TreeNode[] {
																																									 new System.Windows.Forms.TreeNode("收件箱", 9, 9),
																																									 new System.Windows.Forms.TreeNode("发件箱", 10, 10),
																																									 new System.Windows.Forms.TreeNode("已发送邮件", 11, 11),
																																									 new System.Windows.Forms.TreeNode("垃圾箱", 12, 12)})});
			this.treeView1.Size = new System.Drawing.Size(144, 432);
			this.treeView1.TabIndex = 0;
			this.treeView1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.treeView1_MouseDown);
			this.treeView1.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.treeView1_AfterSelect);
			this.treeView1.AfterLabelEdit += new System.Windows.Forms.NodeLabelEditEventHandler(this.treeView1_AfterLabelEdit);
			// 
			// contextMenu4
			// 
			this.contextMenu4.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItem21,
																						 this.menuItem22,
																						 this.menuItem23,
																						 this.menuItem24,
																						 this.menuItem25,
																						 this.menuItem26});
			this.contextMenu4.Popup += new System.EventHandler(this.contextMenu4_Popup);
			// 
			// menuItem21
			// 
			this.menuItem21.Index = 0;
			this.menuItem21.Text = "打开";
			this.menuItem21.Click += new System.EventHandler(this.menuItem21_Click);
			// 
			// menuItem22
			// 
			this.menuItem22.Index = 1;
			this.menuItem22.Text = "查找";
			// 
			// menuItem23
			// 
			this.menuItem23.Index = 2;
			this.menuItem23.Text = "-";
			// 
			// menuItem24
			// 
			this.menuItem24.Index = 3;
			this.menuItem24.Text = "新建文件夹";
			this.menuItem24.Click += new System.EventHandler(this.menuItem24_Click);
			// 
			// menuItem25
			// 
			this.menuItem25.Index = 4;
			this.menuItem25.Text = "删除";
			this.menuItem25.Click += new System.EventHandler(this.menuItem25_Click);
			// 
			// menuItem26
			// 
			this.menuItem26.Index = 5;
			this.menuItem26.Text = "重命名";
			this.menuItem26.Click += new System.EventHandler(this.menuItem26_Click);
			// 
			// imageList1
			// 
			this.imageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
			this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(168, 216);
			this.textBox1.Multiline = true;
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(512, 256);
			this.textBox1.TabIndex = 2;
			this.textBox1.Text = "";
			// 
			// splitter1
			// 
			this.splitter1.Name = "splitter1";
			this.splitter1.Size = new System.Drawing.Size(3, 493);
			this.splitter1.TabIndex = 4;
			this.splitter1.TabStop = false;
			// 
			// listView1
			// 
			this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						this.columnHeader5,
																						this.columnHeader1,
																						this.columnHeader2,
																						this.columnHeader3,
																						this.columnHeader4});
			this.listView1.ContextMenu = this.contextMenu1;
			this.listView1.FullRowSelect = true;
			this.listView1.Location = new System.Drawing.Point(168, 40);
			this.listView1.Name = "listView1";
			this.listView1.Size = new System.Drawing.Size(576, 160);
			this.listView1.TabIndex = 5;
			this.listView1.View = System.Windows.Forms.View.Details;
			this.listView1.Click += new System.EventHandler(this.listView1_Click);
			this.listView1.ColumnClick += new System.Windows.Forms.ColumnClickEventHandler(this.listView1_ColumnClick);
			this.listView1.SelectedIndexChanged += new System.EventHandler(this.listView1_SelectedIndexChanged);
			// 
			// columnHeader5
			// 
			this.columnHeader5.Text = "状态";
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "发件人";
			// 
			// columnHeader2
			// 
			this.columnHeader2.Text = "主题";
			// 
			// columnHeader3
			// 
			this.columnHeader3.Text = "日期";
			// 
			// columnHeader4
			// 
			this.columnHeader4.Text = "大小";
			// 
			// contextMenu1
			// 
			this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItem1,
																						 this.menuItem2,
																						 this.menuItem3,
																						 this.menuItem4,
																						 this.menuItem11,
																						 this.menuItem6,
																						 this.menuItem7,
																						 this.menuItem12,
																						 this.menuItem8,
																						 this.menuItem9});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.Text = "写新邮件";
			this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click);
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 1;
			this.menuItem2.Text = "回复邮件";
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 2;
			this.menuItem3.Text = "转发邮件";
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 3;
			this.menuItem4.Text = "再次发送";
			// 
			// menuItem11
			// 
			this.menuItem11.Index = 4;
			this.menuItem11.Text = "-";
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 5;
			this.menuItem6.Text = "提取地址";
			// 
			// menuItem7
			// 
			this.menuItem7.Index = 6;
			this.menuItem7.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem5,
																					  this.menuItem10});
			this.menuItem7.Text = "改变状态";
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 0;
			this.menuItem5.Text = "已阅";
			this.menuItem5.Click += new System.EventHandler(this.menuItem5_Click);
			// 
			// menuItem10
			// 
			this.menuItem10.Index = 1;
			this.menuItem10.Text = "未阅";
			this.menuItem10.Click += new System.EventHandler(this.menuItem10_Click);
			// 
			// menuItem12
			// 
			this.menuItem12.Index = 7;
			this.menuItem12.Text = "-";
			// 
			// menuItem8
			// 
			this.menuItem8.Index = 8;
			this.menuItem8.Text = "邮件转移";
			this.menuItem8.Click += new System.EventHandler(this.menuItem8_Click);
			// 
			// menuItem9
			// 
			this.menuItem9.Index = 9;
			this.menuItem9.Text = "删除邮件";
			this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);
			// 
			// toolBar1
			// 
			this.toolBar1.Appearance = System.Windows.Forms.ToolBarAppearance.Flat;
			this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																						this.toolBarButton1,
																						this.toolBarButton2,
																						this.toolBarButton3,
																						this.toolBarButton4,
																						this.toolBarButton5,
																						this.toolBarButton6,
																						this.toolBarButton7,
																						this.toolBarButton8});
			this.toolBar1.DropDownArrows = true;
			this.toolBar1.ImageList = this.imageList1;
			this.toolBar1.Location = new System.Drawing.Point(3, 0);
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.ShowToolTips = true;
			this.toolBar1.Size = new System.Drawing.Size(765, 38);
			this.toolBar1.TabIndex = 6;
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// toolBarButton1
			// 
			this.toolBarButton1.ImageIndex = 0;
			this.toolBarButton1.Text = "收邮件";
			// 
			// toolBarButton2
			// 
			this.toolBarButton2.ImageIndex = 1;
			this.toolBarButton2.Text = "发送";
			// 
			// toolBarButton3
			// 
			this.toolBarButton3.ImageIndex = 2;
			this.toolBarButton3.Text = "新邮件";
			// 
			// toolBarButton4
			// 
			this.toolBarButton4.ImageIndex = 3;
			this.toolBarButton4.Text = "回复";
			// 
			// toolBarButton5
			// 
			this.toolBarButton5.ImageIndex = 4;
			this.toolBarButton5.Text = "转发";
			// 
			// toolBarButton6
			// 
			this.toolBarButton6.ImageIndex = 6;
			this.toolBarButton6.Text = "地址簿";
			// 
			// toolBarButton7
			// 
			this.toolBarButton7.ImageIndex = 7;
			this.toolBarButton7.Text = "帐户";
			// 
			// toolBarButton8
			// 
			this.toolBarButton8.ImageIndex = 8;
			this.toolBarButton8.Text = "关于";
			// 
			// contextMenu2
			// 
			this.contextMenu2.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItem13,
																						 this.menuItem14,
																						 this.menuItem15,
																						 this.menuItem16,
																						 this.menuItem17,
																						 this.menuItem18});
			// 
			// menuItem13
			// 
			this.menuItem13.Index = 0;
			this.menuItem13.Text = "-";
			// 
			// menuItem14
			// 
			this.menuItem14.Index = 1;
			this.menuItem14.Shortcut = System.Windows.Forms.Shortcut.F1;
			this.menuItem14.Text = "显示主界面";
			this.menuItem14.Click += new System.EventHandler(this.menuItem14_Click);
			// 
			// menuItem15
			// 
			this.menuItem15.Index = 2;
			this.menuItem15.Shortcut = System.Windows.Forms.Shortcut.F2;
			this.menuItem15.Text = "收新邮件";
			this.menuItem15.Click += new System.EventHandler(this.menuItem15_Click);
			// 
			// menuItem16
			// 
			this.menuItem16.Index = 3;
			this.menuItem16.Shortcut = System.Windows.Forms.Shortcut.F3;
			this.menuItem16.Text = "帐号配置";
			this.menuItem16.Click += new System.EventHandler(this.menuItem16_Click);
			// 
			// menuItem17
			// 
			this.menuItem17.Index = 4;
			this.menuItem17.Text = "-";
			// 
			// menuItem18
			//