GUI Windows Form C#

/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace FormMenu
{
  /// 
  /// Summary description for FormMenuDemo.
  /// 

  public class FormMenuDemo : System.Windows.Forms.Form
  {
    private System.Windows.Forms.MainMenu mainMenu1;
    private System.Windows.Forms.MenuItem mnuFile;
    private System.Windows.Forms.MenuItem mnuFileExit;
    /// 
    /// Required designer variable.
    /// 

    private System.ComponentModel.Container components = null;
    public FormMenuDemo()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();
      //
      // TODO: Add any constructor code after InitializeComponent call
      //
    }
    /// 
    /// Clean up any resources being used.
    /// 

    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }
    #region Windows Form Designer generated code
    /// 
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// 

    private void InitializeComponent()
    {
      this.mainMenu1 = new System.Windows.Forms.MainMenu();
      this.mnuFile = new System.Windows.Forms.MenuItem();
      this.mnuFileExit = new System.Windows.Forms.MenuItem();
      // 
      // mainMenu1
      // 
      this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                            this.mnuFile});
      // 
      // mnuFile
      // 
      this.mnuFile.Index = 0;
      this.mnuFile.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                          this.mnuFileExit});
      this.mnuFile.Text = "&File";
      // 
      // mnuFileExit
      // 
      this.mnuFileExit.Index = 0;
      this.mnuFileExit.Text = "E&xit";
      this.mnuFileExit.Click += new System.EventHandler(this.mnuFileExit_Click);
      // 
      // FormMenuDemo
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Menu = this.mainMenu1;
      this.Name = "FormMenuDemo";
      this.Text = "FormMenuDemo";
    }
    #endregion
    /// 
    /// The main entry point for the application.
    /// 

    [STAThread]
    static void Main() 
    {
      Application.Run(new FormMenuDemo());
    }
    private void mnuFileExit_Click(object sender, System.EventArgs e)
    {
      Application.Exit ();
    }
  }
}