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Categories / C# Tutorial / GUI Windows Forms

 

Add ContextMenu to TextBox

using System; using System.Drawing; using System.Windows.Forms; public class TextBoxContextMenuDemo : Form {     public TextBoxContextMenuDemo()     {         InitializeComponent();         ContextMenu mnuContext = new ContextMenu();         foreach (MenuItem mnuItem in mnuFile.MenuItems)         {             mnuContext.MenuItems.Add(mnuItem.CloneMenu());         }         TextBox1.ContextMenu = mnuContext;     }     private void TextBox1_MouseDown(object sender, MouseEventArgs e)     {         if (e.Button == MouseButtons.Right)         {             TextBox1.ContextMenu.Show(TextBox1, new Point(e.X, e.Y));         }     }     private void mnuOpen_Click(object sender, EventArgs e)     {         MessageBox.Show("This is the event handler for Open.","TextBoxContextMenuDemo");     }     private void mnuSave_Click(object sender, EventArgs e)     {         MessageBox.Show("This is the event handler for Save.","TextBoxContextMenuDemo");     }     private void mnuExit_Click(object sender, EventArgs e)     {         MessageBox.Show("This is the event handler for Exit.","TextBoxContextMenuDemo");     }     [STAThread]     public static void Main(string[] args)     {         Application.Run(new TextBoxContextMenuDemo());     }     private System.Windows.Forms.MainMenu MainMenu1;     private System.Windows.Forms.MenuItem mnuFile;     private System.Windows.Forms.MenuItem mnuOpen;     private System.Windows.Forms.MenuItem mnuSave;     private System.Windows.Forms.MenuItem mnuExit;     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.TextBox TextBox1;     private System.ComponentModel.IContainer components = null;     private void InitializeComponent()     {         this.components = new System.ComponentModel.Container();         this.MainMenu1 = new System.Windows.Forms.MainMenu(this.components);         this.mnuFile = new System.Windows.Forms.MenuItem();         this.mnuOpen = new System.Windows.Forms.MenuItem();         this.mnuSave = new System.Windows.Forms.MenuItem();         this.mnuExit = new System.Windows.Forms.MenuItem();         this.MenuItem5 = new System.Windows.Forms.MenuItem();         this.MenuItem6 = new System.Windows.Forms.MenuItem();         this.MenuItem7 = new System.Windows.Forms.MenuItem();         this.MenuItem8 = new System.Windows.Forms.MenuItem();         this.TextBox1 = new System.Windows.Forms.TextBox();         this.SuspendLayout();         //          // MainMenu1         //          this.MainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {         this.mnuFile,         this.MenuItem5});         //          // mnuFile         //          this.mnuFile.Index = 0;         this.mnuFile.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {         this.mnuOpen,         this.mnuSave,         this.mnuExit});         this.mnuFile.Text = "File";         //          // mnuOpen         //          this.mnuOpen.Index = 0;         this.mnuOpen.Text = "Open";         this.mnuOpen.Click += new System.EventHandler(this.mnuOpen_Click);         //          // mnuSave         //          this.mnuSave.Index = 1;         this.mnuSave.Text = "Save";         this.mnuSave.Click += new System.EventHandler(this.mnuSave_Click);         //          // mnuExit         //          this.mnuExit.Index = 2;         this.mnuExit.Text = "Exit";         this.mnuExit.Click += new System.EventHandler(this.mnuExit_Click);         //          // MenuItem5         //          this.MenuItem5.Index = 1;         this.MenuItem5.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {         this.MenuItem6,         this.MenuItem7,         this.MenuItem8});         this.MenuItem5.Text = "Edit";         //          // MenuItem6         //          this.MenuItem6.Index = 0;         this.MenuItem6.Text = "Cut";         //          // MenuItem7         //          this.MenuItem7.Index = 1;         this.MenuItem7.Text = "Copy";         //          // MenuItem8         //          this.MenuItem8.Index = 2;         this.MenuItem8.Text = "Paste";         //          // TextBox1         //          this.TextBox1.Location = new System.Drawing.Point(44, 56);         this.TextBox1.Multiline = true;         this.TextBox1.Name = "TextBox1";         this.TextBox1.Size = new System.Drawing.Size(180, 88);         this.TextBox1.TabIndex = 1;         this.TextBox1.Text = "Right click here to view the cloned context menu.";         this.TextBox1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.TextBox1_MouseDown);         //          // TextBoxContextMenuDemo         //          this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);         this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;         this.ClientSize = new System.Drawing.Size(292, 266);         this.Controls.Add(this.TextBox1);         this.Menu = this.MainMenu1;         this.ResumeLayout(false);         this.PerformLayout();     } }