实例介绍
【实例简介】
【实例截图】
【实例截图】

【核心代码】
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(); } } } }
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