form1.cs

c#精彩编程百例（源代码）

namespace WinApp_MDIMenu2
{
    using System;
    using System.Drawing;
    using System.Collections;
    using System.ComponentModel;
    using System.WinForms;
    using System.Data;

    /// <summary>
    ///    Summary description for Form1.
    /// </summary>
    public class Form1 : System.WinForms.Form
    {
        /// <summary>
        ///    Required designer variable.
        /// </summary>
        // New properties added by author
        MainMenu mainMenu1;
        MenuItem menuItem1;
        private System.ComponentModel.Container components;

        public Form1()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }

        /// <summary>
        ///    Clean up any resources being used.
        /// </summary>
        public override void Dispose()
        {
            base.Dispose();
            components.Dispose();
        }

        /// <summary>
        ///    Required method for Designer support - do not modify
        ///    the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            this.Size = new System.Drawing.Size(300,300);
            this.Text = "Form1";
            // New code added by author
			mainMenu1=new MainMenu();
			menuItem1=new MenuItem("&File");
			menuItem1.MenuItems.Add("&New",new EventHandler(this.MenuFileNew));
			menuItem1.MenuItems.Add("&Open",new EventHandler(this.MenuFileOpen));
            menuItem1.MenuItems.Add("&Exit",new EventHandler(this.MenuFileExit));
			mainMenu1.MenuItems.Add(menuItem1);
			this.Menu=mainMenu1;
			this.IsMDIContainer=true;    // MDI Form1
        }
        public void FileNewMenu()
		{
			MainMenu mainMenu2=new MainMenu();
			mainMenu2.MenuItems.Add(menuItem1.CloneMenu());
			MenuItem menuItemClose=new MenuItem();
            MenuItem menuItemSave=new MenuItem();
			menuItemClose.Text="&Close";
            menuItemSave.Text="&Save";
			mainMenu2.MenuItems.Add((1),menuItemClose);
			menuItemClose.MenuItems.Add(menuItemSave);
			this.Menu=mainMenu2;
		}
		public void MenuFileNew(System.Object sender,System.EventArgs e)
		{
			MessageBox.Show("A new Menu","New Menu added!");
			FileNewMenu();
		}
		// Create a MDI Form2
		public void MenuFileOpen(System.Object sender,System.EventArgs e)
		{
			Form2 formMDIChild=new Form2();
			formMDIChild.MDIParent=this;
			formMDIChild.Show();
		}
        public void MenuFileExit(System.Object sender,System.EventArgs e)
		{
			this.Close();

		}
	}
  	class Form2:Form
	{
			public Form2()
			{
				// Add a RichTextBox control
				RichTextBox b1=new RichTextBox();
				b1.Anchor=AnchorStyles.All;
				b1.Dock=DockStyle.Fill;
				this.Controls.Add(b1);
			}
	}
		 /// <summary>
        /// The main entry point for the application.
        /// </summary>
        class MainMenuTest
		{
			public static void Main(string[] args) 
           {
              // Application.Run(new Form1());
				Form1 form1=new Form1();
				form1.ShowDialog();
           }
		}
        
}