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   源码介绍

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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using Microsoft.Win32;
namespace Text
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem5;
		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 menuItem10;
		private System.Windows.Forms.MenuItem menuItem11;
		private System.Windows.Forms.MenuItem menuItem12;
		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.MenuItem menuItem19;
		private System.Windows.Forms.RichTextBox richTextBox1;
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		/// <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()
		{
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			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.menuItem7 = new System.Windows.Forms.MenuItem();
			this.menuItem8 = new System.Windows.Forms.MenuItem();
			this.menuItem9 = new System.Windows.Forms.MenuItem();
			this.menuItem10 = new System.Windows.Forms.MenuItem();
			this.menuItem11 = new System.Windows.Forms.MenuItem();
			this.menuItem12 = new System.Windows.Forms.MenuItem();
			this.menuItem13 = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.menuItem6 = 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.menuItem19 = new System.Windows.Forms.MenuItem();
			this.richTextBox1 = new System.Windows.Forms.RichTextBox();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.SuspendLayout();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1,
																					  this.menuItem14});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem2,
																					  this.menuItem3,
																					  this.menuItem4,
																					  this.menuItem5,
																					  this.menuItem6});
			this.menuItem1.Text = "文件(&F)";
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 0;
			this.menuItem2.Text = "打开(&O)";
			this.menuItem2.Click  = new System.EventHandler(this.menuItem2_Click);
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 1;
			this.menuItem3.Text = "-";
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 2;
			this.menuItem4.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem7,
																					  this.menuItem8,
																					  this.menuItem9,
																					  this.menuItem10,
																					  this.menuItem11,
																					  this.menuItem12,
																					  this.menuItem13});
			this.menuItem4.Text = "最近打开文件";
			// 
			// menuItem7
			// 
			this.menuItem7.Index = 0;
			this.menuItem7.Text = "1";
			this.menuItem7.Visible = false;
			this.menuItem7.Click  = new System.EventHandler(this.menuItem7_Click);
			// 
			// menuItem8
			// 
			this.menuItem8.Index = 1;
			this.menuItem8.Text = "-";
			this.menuItem8.Visible = false;
			// 
			// menuItem9
			// 
			this.menuItem9.Index = 2;
			this.menuItem9.Text = "2";
			this.menuItem9.Visible = false;
			this.menuItem9.Click  = new System.EventHandler(this.menuItem9_Click);
			// 
			// menuItem10
			// 
			this.menuItem10.Index = 3;
			this.menuItem10.Text = "-";
			this.menuItem10.Visible = false;
			// 
			// menuItem11
			// 
			this.menuItem11.Index = 4;
			this.menuItem11.Text = "3";
			this.menuItem11.Visible = false;
			this.menuItem11.Click  = new System.EventHandler(this.menuItem11_Click);
			// 
			// menuItem12
			// 
			this.menuItem12.Index = 5;
			this.menuItem12.Text = "-";
			this.menuItem12.Visible = false;
			// 
			// menuItem13
			// 
			this.menuItem13.Index = 6;
			this.menuItem13.Text = "4";
			this.menuItem13.Visible = false;
			this.menuItem13.Click  = new System.EventHandler(this.menuItem13_Click);
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 3;
			this.menuItem5.Text = "-";
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 4;
			this.menuItem6.Text = "退出(&E)";
			this.menuItem6.Click  = new System.EventHandler(this.menuItem6_Click);
			// 
			// menuItem14
			// 
			this.menuItem14.Index = 1;
			this.menuItem14.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					   this.menuItem15,
																					   this.menuItem16,
																					   this.menuItem17,
																					   this.menuItem18,
																					   this.menuItem19});
			this.menuItem14.Text = "编辑(&E)";
			// 
			// menuItem15
			// 
			this.menuItem15.Index = 0;
			this.menuItem15.Text = "复制(&C)";
			this.menuItem15.Click  = new System.EventHandler(this.menuItem15_Click);
			// 
			// menuItem16
			// 
			this.menuItem16.Index = 1;
			this.menuItem16.Text = "-";
			// 
			// menuItem17
			// 
			this.menuItem17.Index = 2;
			this.menuItem17.Text = "剪切(&X)";
			this.menuItem17.Click  = new System.EventHandler(this.menuItem17_Click);
			// 
			// menuItem18
			// 
			this.menuItem18.Index = 3;
			this.menuItem18.Text = "-";
			// 
			// menuItem19
			// 
			this.menuItem19.Index = 4;
			this.menuItem19.Text = "粘贴(&V)";
			this.menuItem19.Click  = new System.EventHandler(this.menuItem19_Click);
			// 
			// richTextBox1
			// 
			this.richTextBox1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.richTextBox1.Location = new System.Drawing.Point(0, 0);
			this.richTextBox1.Name = "richTextBox1";
			this.richTextBox1.Size = new System.Drawing.Size(344, 201);
			this.richTextBox1.TabIndex = 0;
			this.richTextBox1.Text = "";
			// 
			// openFileDialog1
			// 
			this.openFileDialog1.Filter = "所有文本文件(*.txt)|*.txt|所有文件(*.*)|*.*";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(344, 201);
			this.Controls.Add(this.richTextBox1);
			this.Menu = this.mainMenu1;
			this.Name = "Form1";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "演示菜单历史列表";
			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 menuItem2_Click(object sender, System.EventArgs e)
		{//打开文本文件
			if(this.openFileDialog1.ShowDialog()==DialogResult.OK)
			{
				string FileName=this.openFileDialog1.FileName;
				this.richTextBox1.LoadFile(FileName,RichTextBoxStreamType.PlainText);
				string ShortFileName=FileName.Substring(FileName.LastIndexOf("\\") 1);
				this.Text="演示菜单历史列表-" ShortFileName;
				RegistryKey MyReg=Registry.CurrentUser.CreateSubKey("Software\\MyMenuList");
				try
				{
					if(MyReg.GetValue("1")==null)
					{					
						MyReg.SetValue("1",FileName);
						Form1_Load(null,null);
						return;
					}
					else if(MyReg.GetValue("2")==null)
					{
						MyReg.SetValue("2",FileName);
						Form1_Load(null,null);					
						return;
					}
					else if(MyReg.GetValue("3")==null)
					{
						MyReg.SetValue("3",FileName);
						Form1_Load(null,null);					
						return;
					}
					else if(MyReg.GetValue("4")==null)
					{
						MyReg.SetValue("4",FileName);
						Form1_Load(null,null);											
					}
					else
					{
						MoveMenuItemText(FileName);
						Form1_Load(null,null);											
					}
				}
				catch(Exception Err)
				{
					MessageBox.Show("读注册表信息发生错误！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
					this.Close();
				}				
			}		
		}
		private void menuItem6_Click(object sender, System.EventArgs e)
		{//退出程序
			this.Close();		
		}
		private void menuItem15_Click(object sender, System.EventArgs e)
		{//复制文本
			this.richTextBox1.Copy();
		}

		private void menuItem17_Click(object sender, System.EventArgs e)
		{//剪切文本
			this.richTextBox1.Cut();
		}

		private void menuItem19_Click(object sender, System.EventArgs e)
		{//粘贴文本
			this.richTextBox1.Paste();		
		}
		private void MoveMenuItemText(string FileName)
		{//移动菜单文本
			RegistryKey MyReg=Registry.CurrentUser.CreateSubKey("Software\\MyMenuList");
			if(MyReg.GetValue("4")!=null)
			{
				MyReg.SetValue("1",MyReg.GetValue("2").ToString());
				MyReg.SetValue("2",MyReg.GetValue("3").ToString());
				MyReg.SetValue("3",MyReg.GetValue("4").ToString());
				MyReg.SetValue("4",FileName);
				return;
			}
			if(MyReg.GetValue("3")!=null)
			{
				MyReg.SetValue("4",FileName);
				return;
			}
			if(MyReg.GetValue("2")!=null)
			{
				MyReg.SetValue("3",FileName);
				return;
			}
			if(MyReg.GetValue("1")!=null)
			{
				MyReg.SetValue("2",FileName);
				return;
			}
		}
		private void menuItem7_Click(object sender, System.EventArgs e)
		{//响应第一个历史菜单
			string FileName=this.menuItem7.Text;
			this.richTextBox1.LoadFile(FileName,RichTextBoxStreamType.PlainText);
			string ShortFileName=FileName.Substring(FileName.LastIndexOf("\\") 1);
			this.Text="演示菜单历史列表-" ShortFileName;
			MoveMenuItemText(FileName);				
			Form1_Load(null,null);					
		}
		private void menuItem9_Click(object sender, System.EventArgs e)
		{//响应第二个历史菜单
			string FileName=this.menuItem9.Text;
			this.richTextBox1.LoadFile(FileName,RichTextBoxStreamType.PlainText);
			string ShortFileName=FileName.Substring(FileName.LastIndexOf("\\") 1);
			this.Text="演示菜单历史列表-" ShortFileName;
			MoveMenuItemText(FileName);				
			Form1_Load(null,null);					
		}
		private void menuItem11_Click(object sender, System.EventArgs e)
		{//响应第三个历史菜单
			string FileName=this.menuItem11.Text;
			this.richTextBox1.LoadFile(FileName,RichTextBoxStreamType.PlainText);
			string ShortFileName=FileName.Substring(FileName.LastIndexOf("\\") 1);
			this.Text="演示菜单历史列表-" ShortFileName;
			MoveMenuItemText(FileName);			
			Form1_Load(null,null);					
		}
		private void menuItem13_Click(object sender, System.EventArgs e)
		{//响应第四个历史菜单
			string FileName=this.menuItem13.Text;
			this.richTextBox1.LoadFile(FileName,RichTextBoxStreamType.PlainText);
			string ShortFileName=FileName.Substring(FileName.LastIndexOf("\\") 1);
			this.Text="演示菜单历史列表-" ShortFileName;
			MoveMenuItemText(FileName);				
			Form1_Load(null,null);					
		}
		private void Form1_Load(object sender, System.EventArgs e)
		{  //装入历史菜单
			RegistryKey MyReg=Registry.CurrentUser.CreateSubKey("Software\\MyMenuList");
			try
			{
				if(MyReg.GetValue("1")!=null)
				{
					this.menuItem7.Text=MyReg.GetValue("1").ToString();
					this.menuItem7.Visible=true;										
				}
				if(MyReg.GetValue("2")!=null)
				{
					this.menuItem9.Text=MyReg.GetValue("2").ToString();
					this.menuItem8.Visible=true;
					this.menuItem9.Visible=true;
				}
				if(MyReg.GetValue("3")!=null)
				{
					this.menuItem11.Text=MyReg.GetValue("3").ToString();
					this.menuItem11.Visible=true;
					this.menuItem10.Visible=true;
				}
				if(MyReg.GetValue("4")!=null)
				{
					this.menuItem13.Text=MyReg.GetValue("4").ToString();
					this.menuItem13.Visible=true;	
					this.menuItem12.Visible=true;
				}	
			}
			catch(Exception Err)
			{
				MessageBox.Show("读注册表信息发生错误！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
				this.Close();
			}			
		}
	}
}