Csharp/C Sharp/GUI Windows Form/Menu

Add a Main Menu

/*
C#: The Complete Reference 
by Herbert Schildt 
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Add a Main Menu. 
 
using System; 
using System.Windows.Forms; 
 
public class MenuForm : Form { 
  MainMenu MyMenu; 
 
  public MenuForm() { 
    Text = "Adding a Main Menu"; 
 
    // Create a main menu object. 
    MyMenu  = new MainMenu(); 
 
    // Add top-level menu items to the menu. 
    MenuItem m1 = new MenuItem("File"); 
    MyMenu.MenuItems.Add(m1); 
 
    MenuItem m2 = new MenuItem("Tools"); 
    MyMenu.MenuItems.Add(m2); 
 
    // Create File submenu 
    MenuItem subm1 = new MenuItem("Open"); 
    m1.MenuItems.Add(subm1); 
 
    MenuItem subm2 = new MenuItem("Close"); 
    m1.MenuItems.Add(subm2); 
 
    MenuItem subm3 = new MenuItem("Exit"); 
    m1.MenuItems.Add(subm3); 
 
    // Create Tools submenu 
    MenuItem subm4 = new MenuItem("Coordinates"); 
    m2.MenuItems.Add(subm4); 
 
    MenuItem subm5 = new MenuItem("Change Size"); 
    m2.MenuItems.Add(subm5); 
 
    MenuItem subm6 = new MenuItem("Restore"); 
    m2.MenuItems.Add(subm6); 
 
 
    // Add event handlers for the menu items. 
    subm1.Click += new EventHandler(MMOpenClick); 
    subm2.Click += new EventHandler(MMCloseClick); 
    subm3.Click += new EventHandler(MMExitClick); 
    subm4.Click += new EventHandler(MMCoordClick); 
    subm5.Click += new EventHandler(MMChangeClick); 
    subm6.Click += new EventHandler(MMRestoreClick); 
 
    // Assign the menu to the form. 
    Menu = MyMenu; 
  }   
 
  [STAThread] 
  public static void Main() { 
    MenuForm skel = new MenuForm(); 
 
    Application.Run(skel); 
  } 
 
  // Handler for main menu Coordinates selection. 
  protected void MMCoordClick(object who, EventArgs e) { 
    // Create a string that contains the cooridinates. 
    string size = 
      String.Format("{0}: {1}, {2}\n{3}: {4}, {5} ", 
                    "Top, Left", Top, Left, 
                    "Bottom, Right", Bottom, Right); 
 
    // Display a message box. 
    MessageBox.Show(size, "Window Coordinates", 
                    MessageBoxButtons.OK); 
  } 
 
  // Handler for main menu Change selection. 
  protected void MMChangeClick(object who, EventArgs e) { 
    Width = Height = 200; 
  } 
 
  // Handler for main menu Restore selection. 
  protected void MMRestoreClick(object who, EventArgs e) { 
    Width = Height = 300; 
  } 
 
  // Handler for main menu Open selection. 
  protected void MMOpenClick(object who, EventArgs e) { 
 
    MessageBox.Show("Inactive", "Inactive", 
                    MessageBoxButtons.OK); 
  } 
 
  // Handler for main menu Open selection. 
  protected void MMCloseClick(object who, EventArgs e) { 
 
    MessageBox.Show("Inactive", "Inactive", 
                    MessageBoxButtons.OK); 
  } 
 
  // Handler for main menu Exit selection. 
  protected void MMExitClick(object who, EventArgs e) { 
 
    DialogResult result = MessageBox.Show("Stop Program?", 
                            "Terminate", 
                             MessageBoxButtons.YesNo); 
 
    if(result == DialogResult.Yes) Application.Exit(); 
  } 
}

Add context menu to a form window

   using System;
  using System.Drawing;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  
  internal struct TheFontSize
  {
    public static int Huge = 30;
    public static int Normal = 20;
    public static int Tiny = 8;
  }
  
  public class mainForm : System.Windows.Forms.Form
  {
    Color currColor = Color.MistyRose;
    private int currFontSize = TheFontSize.Normal;
    private StatusBarPanel sbPnlPrompt = new StatusBarPanel();
    private StatusBarPanel sbPnlTime = new StatusBarPanel();
    private MainMenu mainMenu = new MainMenu();
    
    private MenuItem currentCheckedItem;
    private MenuItem checkedHuge;
    private MenuItem checkedNormal;
    private MenuItem checkedTiny;

    public mainForm()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.MenuComplete += new EventHandler(StatusForm_MenuDone);
      BuildMenuSystem();
      BuildStatBar();
    }
    static void Main() 
    {
      Application.Run(new mainForm());
    }
    private void FileExit_Clicked(object sender, EventArgs e) 
    {
      Console.WriteLine("File | Exit Menu item handler");
      this.Close();
    }
    private void FileSave_Clicked(object sender, EventArgs e) 
    {
            Console.WriteLine("File | Save Menu item handler");
    }
    private void ColorItem_Clicked(object sender, EventArgs e) 
    {
      MenuItem miClicked = (MenuItem)sender;
      string color = miClicked.Text.Remove(0,1);
      
      this.BackColor = Color.FromName(color);
      currColor = this.BackColor;
    }
    private void PopUp_Clicked(object sender, EventArgs e) 
    {
      currentCheckedItem.Checked = false;
      MenuItem miClicked = (MenuItem)sender;
      string item = miClicked.Text;
      
      if(item == "Huge") {
        currFontSize = TheFontSize.Huge;
        currentCheckedItem = checkedHuge;
      }else if(item == "Normal") {
        currFontSize = TheFontSize.Normal;
        currentCheckedItem = checkedNormal;
      }else if(item == "Tiny") {
        currFontSize = TheFontSize.Tiny;
        currentCheckedItem = checkedTiny;
      }
      currentCheckedItem.Checked = true;
      Invalidate();
    }
    protected override void OnPaint(PaintEventArgs e)
    {
      Graphics g = e.Graphics;
      g.DrawString("www.nfex.ru", 
        new Font("Times New Roman", (float)currFontSize), 
        new SolidBrush(Color.Black), 
        this.DisplayRectangle);
    }
    
    protected override void OnResize(EventArgs e)
    {
      base.OnResize(e);
      Invalidate();
    }
    private void HelpAbout_Clicked(object sender, EventArgs e) 
    {
      Console.WriteLine("The amazing final app...", "About...");
    }
        
    private void FileMenuItem_Selected(object sender, EventArgs e) 
    {
      MenuItem miClicked = (MenuItem)sender;
      string item = miClicked.Text.Remove(0,1);
      
      if(item == "Save..."){
        sbPnlPrompt.Text = "Save current settings.";     
      }else{
        sbPnlPrompt.Text = "Terminates this app.";     
        } 
    }
    private void ColorMenuItem_Selected(object sender, EventArgs e) 
    {
      MenuItem miClicked = (MenuItem)sender;
      string item = miClicked.Text.Remove(0,1);
      sbPnlPrompt.Text = "Select " + item;            
    }
    private void HelpAbout_Selected(object sender, EventArgs e) 
    {
      sbPnlPrompt.Text = "Displays app info";
    }
    private void StatusForm_MenuDone(object sender, EventArgs e) 
    {
      sbPnlPrompt.Text = "Ready";
    }
    private void timer1_Tick(object sender, EventArgs e) 
    {
      DateTime t = DateTime.Now;
      string s = t.ToLongTimeString() ;
      sbPnlTime.Text = s ;    
    }
    private void BuildMenuSystem()
    {
      MenuItem miFile = mainMenu.MenuItems.Add("&File");           
      miFile.MenuItems.Add(new MenuItem("&Save...", new EventHandler(this.FileSave_Clicked), Shortcut.CtrlS));     
      miFile.MenuItems.Add(new MenuItem("E&xit", new EventHandler(this.FileExit_Clicked), Shortcut.CtrlX));
      miFile.MenuItems[0].Select += new EventHandler(FileMenuItem_Selected);
      miFile.MenuItems[1].Select += new EventHandler(FileMenuItem_Selected);
      MenuItem miColor = mainMenu.MenuItems.Add("&Background Color");
      miColor.MenuItems.Add("&DarkGoldenrod", new EventHandler(ColorItem_Clicked));
      miColor.MenuItems.Add("&GreenYellow", new EventHandler(ColorItem_Clicked));
      
      for(int i = 0; i < miColor.MenuItems.Count; i++){
        miColor.MenuItems[i].Select += new EventHandler(ColorMenuItem_Selected);
            }
      MenuItem miHelp = mainMenu.MenuItems.Add("Help");  
      miHelp.MenuItems.Add(new MenuItem("&About", new EventHandler(this.HelpAbout_Clicked), Shortcut.CtrlA));
      miHelp.MenuItems[0].Select += new EventHandler(HelpAbout_Selected);
      this.Menu = mainMenu;  
            ContextMenu popUpMenu = new ContextMenu();
      popUpMenu.MenuItems.Add("Huge", new EventHandler(PopUp_Clicked));
      popUpMenu.MenuItems.Add("Normal", new EventHandler(PopUp_Clicked));
      popUpMenu.MenuItems.Add("Tiny", new EventHandler(PopUp_Clicked));
      this.ContextMenu = popUpMenu;
      checkedHuge = this.ContextMenu.MenuItems[0];
      checkedNormal = this.ContextMenu.MenuItems[1];        
      checkedTiny = this.ContextMenu.MenuItems[2];
      
      if(currFontSize == TheFontSize.Huge)
        currentCheckedItem = checkedHuge;
      else if(currFontSize == TheFontSize.Normal)
        currentCheckedItem = checkedNormal;
      else
        currentCheckedItem = checkedTiny;
      currentCheckedItem.Checked = true;
    }
    private void BuildStatBar()
    {
        Timer timer1 = new Timer();
      timer1.Interval = 1000;
      timer1.Enabled = true;
      timer1.Tick += new EventHandler(timer1_Tick);
        StatusBar statusBar = new StatusBar();
        
      statusBar.ShowPanels = true;
      statusBar.Panels.AddRange((StatusBarPanel[])new StatusBarPanel[] {sbPnlPrompt, sbPnlTime});
      sbPnlPrompt.BorderStyle = StatusBarPanelBorderStyle.None;
      sbPnlPrompt.AutoSize = StatusBarPanelAutoSize.Spring;
      sbPnlPrompt.Width = 62;
      sbPnlPrompt.Text = "Ready";
      sbPnlTime.Alignment = System.Windows.Forms.HorizontalAlignment.Right;
      sbPnlTime.Width = 76;
      try
      {
        Icon i = new Icon("icon1.ico");
        sbPnlPrompt.Icon = i;
      } catch(Exception e) {
        MessageBox.Show(e.Message);
      }
      this.Controls.Add(statusBar);  
    }
  }

Add shortcut key to a menu item

   using System;
  using System.Drawing;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  
  internal struct TheFontSize
  {
    public static int Huge = 30;
    public static int Normal = 20;
    public static int Tiny = 8;
  }
  
  public class mainForm : System.Windows.Forms.Form
  {
    Color currColor = Color.MistyRose;
    private int currFontSize = TheFontSize.Normal;
    private StatusBarPanel sbPnlPrompt = new StatusBarPanel();
    private StatusBarPanel sbPnlTime = new StatusBarPanel();
    private MainMenu mainMenu = new MainMenu();
    
    private MenuItem currentCheckedItem;
    private MenuItem checkedHuge;
    private MenuItem checkedNormal;
    private MenuItem checkedTiny;

    public mainForm()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.MenuComplete += new EventHandler(StatusForm_MenuDone);
      BuildMenuSystem();
      BuildStatBar();
    }
    static void Main() 
    {
      Application.Run(new mainForm());
    }
    private void FileExit_Clicked(object sender, EventArgs e) 
    {
      Console.WriteLine("File | Exit Menu item handler");
      this.Close();
    }
    private void FileSave_Clicked(object sender, EventArgs e) 
    {
            Console.WriteLine("File | Save Menu item handler");
    }
    private void ColorItem_Clicked(object sender, EventArgs e) 
    {
      MenuItem miClicked = (MenuItem)sender;
      string color = miClicked.Text.Remove(0,1);
      
      this.BackColor = Color.FromName(color);
      currColor = this.BackColor;
    }
    private void PopUp_Clicked(object sender, EventArgs e) 
    {
      currentCheckedItem.Checked = false;
      MenuItem miClicked = (MenuItem)sender;
      string item = miClicked.Text;
      
      if(item == "Huge") {
        currFontSize = TheFontSize.Huge;
        currentCheckedItem = checkedHuge;
      }else if(item == "Normal") {
        currFontSize = TheFontSize.Normal;
        currentCheckedItem = checkedNormal;
      }else if(item == "Tiny") {
        currFontSize = TheFontSize.Tiny;
        currentCheckedItem = checkedTiny;
      }
      currentCheckedItem.Checked = true;
      Invalidate();
    }
    protected override void OnPaint(PaintEventArgs e)
    {
      Graphics g = e.Graphics;
      g.DrawString("www.nfex.ru", 
        new Font("Times New Roman", (float)currFontSize), 
        new SolidBrush(Color.Black), 
        this.DisplayRectangle);
    }
    
    protected override void OnResize(EventArgs e)
    {
      base.OnResize(e);
      Invalidate();
    }
    private void HelpAbout_Clicked(object sender, EventArgs e) 
    {
      Console.WriteLine("The amazing final app...", "About...");
    }
        
    private void FileMenuItem_Selected(object sender, EventArgs e) 
    {
      MenuItem miClicked = (MenuItem)sender;
      string item = miClicked.Text.Remove(0,1);
      
      if(item == "Save..."){
        sbPnlPrompt.Text = "Save current settings.";     
      }else{
        sbPnlPrompt.Text = "Terminates this app.";     
        } 
    }
    private void ColorMenuItem_Selected(object sender, EventArgs e) 
    {
      MenuItem miClicked = (MenuItem)sender;
      string item = miClicked.Text.Remove(0,1);
      sbPnlPrompt.Text = "Select " + item;            
    }
    private void HelpAbout_Selected(object sender, EventArgs e) 
    {
      sbPnlPrompt.Text = "Displays app info";
    }
    private void StatusForm_MenuDone(object sender, EventArgs e) 
    {
      sbPnlPrompt.Text = "Ready";
    }
    private void timer1_Tick(object sender, EventArgs e) 
    {
      DateTime t = DateTime.Now;
      string s = t.ToLongTimeString() ;
      sbPnlTime.Text = s ;    
    }
    private void BuildMenuSystem()
    {
      MenuItem miFile = mainMenu.MenuItems.Add("&File");           
      miFile.MenuItems.Add(new MenuItem("&Save...", new EventHandler(this.FileSave_Clicked), Shortcut.CtrlS));     
      miFile.MenuItems.Add(new MenuItem("E&xit", new EventHandler(this.FileExit_Clicked), Shortcut.CtrlX));
      miFile.MenuItems[0].Select += new EventHandler(FileMenuItem_Selected);
      miFile.MenuItems[1].Select += new EventHandler(FileMenuItem_Selected);
      MenuItem miColor = mainMenu.MenuItems.Add("&Background Color");
      miColor.MenuItems.Add("&DarkGoldenrod", new EventHandler(ColorItem_Clicked));
      miColor.MenuItems.Add("&GreenYellow", new EventHandler(ColorItem_Clicked));
      
      for(int i = 0; i < miColor.MenuItems.Count; i++){
        miColor.MenuItems[i].Select += new EventHandler(ColorMenuItem_Selected);
            }
      MenuItem miHelp = mainMenu.MenuItems.Add("Help");  
      miHelp.MenuItems.Add(new MenuItem("&About", new EventHandler(this.HelpAbout_Clicked), Shortcut.CtrlA));
      miHelp.MenuItems[0].Select += new EventHandler(HelpAbout_Selected);
      this.Menu = mainMenu;  
            ContextMenu popUpMenu = new ContextMenu();
      popUpMenu.MenuItems.Add("Huge", new EventHandler(PopUp_Clicked));
      popUpMenu.MenuItems.Add("Normal", new EventHandler(PopUp_Clicked));
      popUpMenu.MenuItems.Add("Tiny", new EventHandler(PopUp_Clicked));
      this.ContextMenu = popUpMenu;
      checkedHuge = this.ContextMenu.MenuItems[0];
      checkedNormal = this.ContextMenu.MenuItems[1];        
      checkedTiny = this.ContextMenu.MenuItems[2];
      
      if(currFontSize == TheFontSize.Huge)
        currentCheckedItem = checkedHuge;
      else if(currFontSize == TheFontSize.Normal)
        currentCheckedItem = checkedNormal;
      else
        currentCheckedItem = checkedTiny;
      currentCheckedItem.Checked = true;
    }
    private void BuildStatBar()
    {
        Timer timer1 = new Timer();
      timer1.Interval = 1000;
      timer1.Enabled = true;
      timer1.Tick += new EventHandler(timer1_Tick);
        StatusBar statusBar = new StatusBar();
        
      statusBar.ShowPanels = true;
      statusBar.Panels.AddRange((StatusBarPanel[])new StatusBarPanel[] {sbPnlPrompt, sbPnlTime});
      sbPnlPrompt.BorderStyle = StatusBarPanelBorderStyle.None;
      sbPnlPrompt.AutoSize = StatusBarPanelAutoSize.Spring;
      sbPnlPrompt.Width = 62;
      sbPnlPrompt.Text = "Ready";
      sbPnlTime.Alignment = System.Windows.Forms.HorizontalAlignment.Right;
      sbPnlTime.Width = 76;
      try
      {
        Icon i = new Icon("icon1.ico");
        sbPnlPrompt.Icon = i;
      } catch(Exception e) {
        MessageBox.Show(e.Message);
      }
      this.Controls.Add(statusBar);  
    }
  }

Build Menu and context sensitive menu on your own

   using System;
  using System.Drawing;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  
  internal struct TheFontSize
  {
    public static int Huge = 30;
    public static int Normal = 20;
    public static int Tiny = 8;
  }
  
  public class mainForm : System.Windows.Forms.Form
  {
    Color currColor = Color.MistyRose;
    private int currFontSize = TheFontSize.Normal;
    private StatusBarPanel sbPnlPrompt = new StatusBarPanel();
    private StatusBarPanel sbPnlTime = new StatusBarPanel();
    private MainMenu mainMenu = new MainMenu();
    
    private MenuItem currentCheckedItem;
    private MenuItem checkedHuge;
    private MenuItem checkedNormal;
    private MenuItem checkedTiny;

    public mainForm()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.MenuComplete += new EventHandler(StatusForm_MenuDone);
      BuildMenuSystem();
      BuildStatBar();
    }
    static void Main() 
    {
      Application.Run(new mainForm());
    }
    private void FileExit_Clicked(object sender, EventArgs e) 
    {
      Console.WriteLine("File | Exit Menu item handler");
      this.Close();
    }
    private void FileSave_Clicked(object sender, EventArgs e) 
    {
            Console.WriteLine("File | Save Menu item handler");
    }
    private void ColorItem_Clicked(object sender, EventArgs e) 
    {
      MenuItem miClicked = (MenuItem)sender;
      string color = miClicked.Text.Remove(0,1);
      
      this.BackColor = Color.FromName(color);
      currColor = this.BackColor;
    }
    private void PopUp_Clicked(object sender, EventArgs e) 
    {
      currentCheckedItem.Checked = false;
      MenuItem miClicked = (MenuItem)sender;
      string item = miClicked.Text;
      
      if(item == "Huge") {
        currFontSize = TheFontSize.Huge;
        currentCheckedItem = checkedHuge;
      }else if(item == "Normal") {
        currFontSize = TheFontSize.Normal;
        currentCheckedItem = checkedNormal;
      }else if(item == "Tiny") {
        currFontSize = TheFontSize.Tiny;
        currentCheckedItem = checkedTiny;
      }
      currentCheckedItem.Checked = true;
      Invalidate();
    }
    protected override void OnPaint(PaintEventArgs e)
    {
      Graphics g = e.Graphics;
      g.DrawString("www.nfex.ru", 
        new Font("Times New Roman", (float)currFontSize), 
        new SolidBrush(Color.Black), 
        this.DisplayRectangle);
    }
    
    protected override void OnResize(EventArgs e)
    {
      base.OnResize(e);
      Invalidate();
    }
    private void HelpAbout_Clicked(object sender, EventArgs e) 
    {
      Console.WriteLine("The amazing final app...", "About...");
    }
        
    private void FileMenuItem_Selected(object sender, EventArgs e) 
    {
      MenuItem miClicked = (MenuItem)sender;
      string item = miClicked.Text.Remove(0,1);
      
      if(item == "Save..."){
        sbPnlPrompt.Text = "Save current settings.";     
      }else{
        sbPnlPrompt.Text = "Terminates this app.";     
        } 
    }
    private void ColorMenuItem_Selected(object sender, EventArgs e) 
    {
      MenuItem miClicked = (MenuItem)sender;
      string item = miClicked.Text.Remove(0,1);
      sbPnlPrompt.Text = "Select " + item;            
    }
    private void HelpAbout_Selected(object sender, EventArgs e) 
    {
      sbPnlPrompt.Text = "Displays app info";
    }
    private void StatusForm_MenuDone(object sender, EventArgs e) 
    {
      sbPnlPrompt.Text = "Ready";
    }
    private void timer1_Tick(object sender, EventArgs e) 
    {
      DateTime t = DateTime.Now;
      string s = t.ToLongTimeString() ;
      sbPnlTime.Text = s ;    
    }
    private void BuildMenuSystem()
    {
      MenuItem miFile = mainMenu.MenuItems.Add("&File");           
      miFile.MenuItems.Add(new MenuItem("&Save...", new EventHandler(this.FileSave_Clicked), Shortcut.CtrlS));     
      miFile.MenuItems.Add(new MenuItem("E&xit", new EventHandler(this.FileExit_Clicked), Shortcut.CtrlX));
      miFile.MenuItems[0].Select += new EventHandler(FileMenuItem_Selected);
      miFile.MenuItems[1].Select += new EventHandler(FileMenuItem_Selected);
      MenuItem miColor = mainMenu.MenuItems.Add("&Background Color");
      miColor.MenuItems.Add("&DarkGoldenrod", new EventHandler(ColorItem_Clicked));
      miColor.MenuItems.Add("&GreenYellow", new EventHandler(ColorItem_Clicked));
      
      for(int i = 0; i < miColor.MenuItems.Count; i++){
        miColor.MenuItems[i].Select += new EventHandler(ColorMenuItem_Selected);
            }
      MenuItem miHelp = mainMenu.MenuItems.Add("Help");  
      miHelp.MenuItems.Add(new MenuItem("&About", new EventHandler(this.HelpAbout_Clicked), Shortcut.CtrlA));
      miHelp.MenuItems[0].Select += new EventHandler(HelpAbout_Selected);
      this.Menu = mainMenu;  
            ContextMenu popUpMenu = new ContextMenu();
      popUpMenu.MenuItems.Add("Huge", new EventHandler(PopUp_Clicked));
      popUpMenu.MenuItems.Add("Normal", new EventHandler(PopUp_Clicked));
      popUpMenu.MenuItems.Add("Tiny", new EventHandler(PopUp_Clicked));
      this.ContextMenu = popUpMenu;
      checkedHuge = this.ContextMenu.MenuItems[0];
      checkedNormal = this.ContextMenu.MenuItems[1];        
      checkedTiny = this.ContextMenu.MenuItems[2];
      
      if(currFontSize == TheFontSize.Huge)
        currentCheckedItem = checkedHuge;
      else if(currFontSize == TheFontSize.Normal)
        currentCheckedItem = checkedNormal;
      else
        currentCheckedItem = checkedTiny;
      currentCheckedItem.Checked = true;
    }
    private void BuildStatBar()
    {
        Timer timer1 = new Timer();
      timer1.Interval = 1000;
      timer1.Enabled = true;
      timer1.Tick += new EventHandler(timer1_Tick);
        StatusBar statusBar = new StatusBar();
        
      statusBar.ShowPanels = true;
      statusBar.Panels.AddRange((StatusBarPanel[])new StatusBarPanel[] {sbPnlPrompt, sbPnlTime});
      sbPnlPrompt.BorderStyle = StatusBarPanelBorderStyle.None;
      sbPnlPrompt.AutoSize = StatusBarPanelAutoSize.Spring;
      sbPnlPrompt.Width = 62;
      sbPnlPrompt.Text = "Ready";
      sbPnlTime.Alignment = System.Windows.Forms.HorizontalAlignment.Right;
      sbPnlTime.Width = 76;
      try
      {
        Icon i = new Icon("icon1.ico");
        sbPnlPrompt.Icon = i;
      } catch(Exception e) {
        MessageBox.Show(e.Message);
      }
      this.Controls.Add(statusBar);  
    }
  }

Dynamic Menu

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System.Data.SqlClient;
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace DynamicMenu
{
    /// <summary>
    /// Summary description for DynamicMenu.
    /// </summary>
    public class DynamicMenu : System.Windows.Forms.Form
    {
        internal System.Windows.Forms.MainMenu mnuMain;
        internal System.Windows.Forms.MenuItem mnuFile;
        internal System.Windows.Forms.MenuItem mnuNew;
        internal System.Windows.Forms.MenuItem mnuOpen;
        internal System.Windows.Forms.MenuItem mnuClose;
        internal System.Windows.Forms.MenuItem mnuSave;
        internal System.Windows.Forms.MenuItem MenuItem12;
        internal System.Windows.Forms.MenuItem mnuExit;
        internal System.Windows.Forms.MenuItem mnuTools;
        internal System.Windows.Forms.MenuItem mnuManageHardware;
        internal System.Windows.Forms.MenuItem mnuSetupUserAccounts;
        internal System.Windows.Forms.MenuItem mnuChangeDisplay;
        internal System.Windows.Forms.MenuItem mnuHelp;
        internal System.Windows.Forms.MenuItem mnuContents;
        internal System.Windows.Forms.MenuItem MenuItem13;
        internal System.Windows.Forms.MenuItem mnuAbout;
        internal System.Windows.Forms.Button cmdAdmin;
        internal System.Windows.Forms.Button cmdUser;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.Container components = null;
        public DynamicMenu()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }
        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.mnuMain = new System.Windows.Forms.MainMenu();
            this.mnuFile = new System.Windows.Forms.MenuItem();
            this.mnuNew = new System.Windows.Forms.MenuItem();
            this.mnuOpen = new System.Windows.Forms.MenuItem();
            this.mnuClose = new System.Windows.Forms.MenuItem();
            this.mnuSave = new System.Windows.Forms.MenuItem();
            this.MenuItem12 = new System.Windows.Forms.MenuItem();
            this.mnuExit = new System.Windows.Forms.MenuItem();
            this.mnuTools = new System.Windows.Forms.MenuItem();
            this.mnuManageHardware = new System.Windows.Forms.MenuItem();
            this.mnuSetupUserAccounts = new System.Windows.Forms.MenuItem();
            this.mnuChangeDisplay = new System.Windows.Forms.MenuItem();
            this.mnuHelp = new System.Windows.Forms.MenuItem();
            this.mnuContents = new System.Windows.Forms.MenuItem();
            this.MenuItem13 = new System.Windows.Forms.MenuItem();
            this.mnuAbout = new System.Windows.Forms.MenuItem();
            this.cmdAdmin = new System.Windows.Forms.Button();
            this.cmdUser = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // mnuMain
            // 
            this.mnuMain.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                    this.mnuFile,
                                                                                    this.mnuTools,
                                                                                    this.mnuHelp});
            // 
            // mnuFile
            // 
            this.mnuFile.Index = 0;
            this.mnuFile.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                    this.mnuNew,
                                                                                    this.mnuOpen,
                                                                                    this.mnuClose,
                                                                                    this.mnuSave,
                                                                                    this.MenuItem12,
                                                                                    this.mnuExit});
            this.mnuFile.Text = "File";
            // 
            // mnuNew
            // 
            this.mnuNew.Index = 0;
            this.mnuNew.Text = "New";
            // 
            // mnuOpen
            // 
            this.mnuOpen.Index = 1;
            this.mnuOpen.Text = "Open";
            // 
            // mnuClose
            // 
            this.mnuClose.Index = 2;
            this.mnuClose.Text = "Close";
            // 
            // mnuSave
            // 
            this.mnuSave.Index = 3;
            this.mnuSave.Text = "Save";
            // 
            // MenuItem12
            // 
            this.MenuItem12.Index = 4;
            this.MenuItem12.Text = "-";
            // 
            // mnuExit
            // 
            this.mnuExit.Index = 5;
            this.mnuExit.Text = "Exit";
            // 
            // mnuTools
            // 
            this.mnuTools.Index = 1;
            this.mnuTools.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                     this.mnuManageHardware,
                                                                                     this.mnuSetupUserAccounts,
                                                                                     this.mnuChangeDisplay});
            this.mnuTools.Text = "Tools";
            // 
            // mnuManageHardware
            // 
            this.mnuManageHardware.Index = 0;
            this.mnuManageHardware.Text = "Manage Hardware";
            // 
            // mnuSetupUserAccounts
            // 
            this.mnuSetupUserAccounts.Index = 1;
            this.mnuSetupUserAccounts.Text = "Setup User Accounts";
            // 
            // mnuChangeDisplay
            // 
            this.mnuChangeDisplay.Index = 2;
            this.mnuChangeDisplay.Text = "Change Display";
            // 
            // mnuHelp
            // 
            this.mnuHelp.Index = 2;
            this.mnuHelp.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                    this.mnuContents,
                                                                                    this.MenuItem13,
                                                                                    this.mnuAbout});
            this.mnuHelp.Text = "Help";
            // 
            // mnuContents
            // 
            this.mnuContents.Index = 0;
            this.mnuContents.Text = "Contents";
            // 
            // MenuItem13
            // 
            this.MenuItem13.Index = 1;
            this.MenuItem13.Text = "-";
            // 
            // mnuAbout
            // 
            this.mnuAbout.Index = 2;
            this.mnuAbout.Text = "About";
            // 
            // cmdAdmin
            // 
            this.cmdAdmin.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.cmdAdmin.Location = new System.Drawing.Point(132, 88);
            this.cmdAdmin.Name = "cmdAdmin";
            this.cmdAdmin.Size = new System.Drawing.Size(80, 24);
            this.cmdAdmin.TabIndex = 3;
            this.cmdAdmin.Text = "Admin Level";
            this.cmdAdmin.Click += new System.EventHandler(this.cmdAdmin_Click);
            // 
            // cmdUser
            // 
            this.cmdUser.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.cmdUser.Location = new System.Drawing.Point(44, 88);
            this.cmdUser.Name = "cmdUser";
            this.cmdUser.Size = new System.Drawing.Size(80, 24);
            this.cmdUser.TabIndex = 2;
            this.cmdUser.Text = "User Level";
            this.cmdUser.Click += new System.EventHandler(this.cmdUser_Click);
            // 
            // DynamicMenu
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
            this.ClientSize = new System.Drawing.Size(256, 129);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.cmdAdmin,
                                                                          this.cmdUser});
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.Menu = this.mnuMain;
            this.Name = "DynamicMenu";
            this.Text = "Dynamic Menu";
            this.Load += new System.EventHandler(this.DynamicMenu_Load);
            this.ResumeLayout(false);
        }
        #endregion
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new DynamicMenu());
        }
        private void DynamicMenu_Load(object sender, System.EventArgs e)
        {
            cmdUser_Click(null,null);
        }
        private void cmdUser_Click(object sender, System.EventArgs e)
        {
            DataTable dtPermissions;
            // Get permissions for an Admin-level user.
            dtPermissions = DBPermissions.GetPermissions(DBPermissions.Level.User);
            // Update the menu with these permissions.
            SearchMenu(this.Menu, dtPermissions);
        }
        private void cmdAdmin_Click(object sender, System.EventArgs e)
        {
            DataTable dtPermissions;
            // Get permissions for an Admin-level user.
            dtPermissions = DBPermissions.GetPermissions(DBPermissions.Level.Admin);
            // Update the menu with these permissions.
            SearchMenu(this.Menu, dtPermissions);
        }
        private void SearchMenu(Menu menu, DataTable dtPermissions)
        {
            DataRow[] rowMatch;
            foreach (MenuItem mnuItem in menu.MenuItems)
            {           
                // See if this menu item has a corresponding row.
                rowMatch = dtPermissions.Select("ControlName = "" + mnuItem.Text + """);
                // If it does, configure the menu item state accordingly.           
                if (rowMatch.GetLength(0) > 0)
                {
                    DBPermissions.State state;
                    state = (DBPermissions.State)int.Parse(rowMatch[0]["State"].ToString());
                    switch (state)
                    {
                        case DBPermissions.State.Hidden:
                            mnuItem.Visible = false;
                            break;
                        case DBPermissions.State.Disabled:
                            mnuItem.Enabled = false;
                            break;
                    }
                }
                else
                {
                    mnuItem.Visible = true;
                    mnuItem.Enabled = true;
                }
                // Search recursively through any submenus.
                if (mnuItem.MenuItems.Count > 0)
                {
                    SearchMenu(mnuItem, dtPermissions);
                }
            }
        }
    }
    public class DBPermissions
    {
        public enum State
        {
            Normal = 0,
            Disabled = 1,
            Hidden = 2
        }
        public enum Level
        {
            Admin,
            User
        }
        private static SqlConnection con = new SqlConnection("Data Source=localhost;"
            + "Integrated Security=SSPI;Initial Catalog=Apress;");
        public static DataTable GetPermissions(Level userLevel)
        {
            con.Open();
            // Permissions isn"t actually actually a table in our data source.
            // Instead, it"s a view that combines the important information
            // from all three tables using a Join query.
            string selectPermissions = "SELECT * FROM Permissions ";
            switch (userLevel)
            {
                case Level.Admin:
                    selectPermissions += "WHERE LevelName = "Admin"";
                    break;
                case Level.User:
                    selectPermissions += "WHERE LevelName = "User"";
                    break;
            }
            SqlCommand cmd = new SqlCommand(selectPermissions, con);
            SqlDataAdapter adapter = new SqlDataAdapter(cmd);
            DataSet ds = new DataSet();
            adapter.Fill(ds, "Permissions");
            con.Close();
            return ds.Tables["Permissions"];
        }
    }
}
/*
-- Database Dump Wizard Ver 2.2.1 (libmssql version 2.3)
--
-- Host: localhost    Database: [Apress]
-- ---------------------------------------------------------
-- Server version   Microsoft SQL Server Version 8.0.255

-- Dumping user-defined datatypes in "[Apress]"

-- Table structure for table "Controls"
CREATE TABLE [Controls] (
[ID] int IDENTITY NOT NULL,
[ControlName] varchar(20) NOT NULL)
GO
CREATE UNIQUE CLUSTERED INDEX PK_Controls ON [Controls] (ID)
GO

-- Dumping data for table "Controls"
--
-- Enable identity insert
SET IDENTITY_INSERT [Controls] ON
GO
INSERT INTO [Controls] ([ID], [ControlName])
VALUES(1, "New")
GO
INSERT INTO [Controls] ([ID], [ControlName])
VALUES(2, "Save")
GO
INSERT INTO [Controls] ([ID], [ControlName])
VALUES(3, "Manage Hardware")
GO
INSERT INTO [Controls] ([ID], [ControlName])
VALUES(4, "Setup User Accounts")
GO
-- Disable identity insert
SET IDENTITY_INSERT [Controls] OFF
GO

-- Table structure for table "Controls_Levels"
CREATE TABLE [Controls_Levels] (
[ID] int IDENTITY NOT NULL,
[Control_ID] int NOT NULL,
[Level_ID] int NOT NULL,
[State] smallint)
GO
CREATE UNIQUE CLUSTERED INDEX PK_Control_Levels ON [Controls_Levels] (ID)
GO

-- Dumping data for table "Controls_Levels"
--
-- Enable identity insert
SET IDENTITY_INSERT [Controls_Levels] ON
GO
INSERT INTO [Controls_Levels] ([ID], [Control_ID], [Level_ID], [State])
VALUES(1, 1, 2, 1)
GO
INSERT INTO [Controls_Levels] ([ID], [Control_ID], [Level_ID], [State])
VALUES(2, 2, 2, 1)
GO
INSERT INTO [Controls_Levels] ([ID], [Control_ID], [Level_ID], [State])
VALUES(3, 3, 2, 2)
GO
INSERT INTO [Controls_Levels] ([ID], [Control_ID], [Level_ID], [State])
VALUES(4, 4, 2, 2)
GO
-- Disable identity insert
SET IDENTITY_INSERT [Controls_Levels] OFF
GO

-- Table structure for table "Levels"
CREATE TABLE [Levels] (
[ID] int IDENTITY NOT NULL,
[LevelName] varchar(50))
GO
CREATE UNIQUE CLUSTERED INDEX PK_UserLevels ON [Levels] (ID)
GO

-- Dumping data for table "Levels"
--
-- Enable identity insert
SET IDENTITY_INSERT [Levels] ON
GO
INSERT INTO [Levels] ([ID], [LevelName])
VALUES(1, "Admin")
GO
INSERT INTO [Levels] ([ID], [LevelName])
VALUES(2, "User")
GO
-- Disable identity insert
SET IDENTITY_INSERT [Levels] OFF
GO

CREATE VIEW [Permissions]
AS
SELECT     Controls.ControlName, Levels.LevelName, Controls_Levels.State
FROM         Controls INNER JOIN
                      Controls_Levels ON Controls.ID = Controls_Levels.Control_ID INNER JOIN
                      Levels ON Controls_Levels.Level_ID = Levels.ID
GO

*/

Form Menu

/*
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.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace FormMenu
{
  /// <summary>
  /// Summary description for FormMenuDemo.
  /// </summary>
  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;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ruponentModel.Container components = null;
    public FormMenuDemo()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();
      //
      // TODO: Add any constructor code after InitializeComponent call
      //
    }
    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }
    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    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
    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
      Application.Run(new FormMenuDemo());
    }
    private void mnuFileExit_Click(object sender, System.EventArgs e)
    {
      Application.Exit ();
    }
  }
}

Menu Text Provider Host

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
namespace ExtenderProviderHost
{
    /// <summary>
    /// Summary description for MenuTextProviderHost.
    /// </summary>
    public class MenuTextProviderHost : System.Windows.Forms.Form
    {
        internal System.Windows.Forms.MainMenu mnuMain;
        internal System.Windows.Forms.MenuItem MenuItem1;
        internal System.Windows.Forms.MenuItem mnuNew;
        internal System.Windows.Forms.MenuItem mnuOpen;
        internal System.Windows.Forms.MenuItem mnuSave;
        private MenuTextProvider menuTextProvider1;
        internal System.Windows.Forms.GroupBox GroupBox1;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.Container components = null;
        public MenuTextProviderHost()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if(components != null)
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }
        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.mnuMain = new System.Windows.Forms.MainMenu();
            this.MenuItem1 = new System.Windows.Forms.MenuItem();
            this.mnuNew = new System.Windows.Forms.MenuItem();
            this.mnuOpen = new System.Windows.Forms.MenuItem();
            this.mnuSave = new System.Windows.Forms.MenuItem();
            this.menuTextProvider1 = new MenuTextProvider();
            this.GroupBox1 = new System.Windows.Forms.GroupBox();
            this.SuspendLayout();
            // 
            // mnuMain
            // 
            this.mnuMain.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                    this.MenuItem1});
            // 
            // MenuItem1
            // 
            this.MenuItem1.Index = 0;
            this.MenuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                      this.mnuNew,
                                                                                      this.mnuOpen,
                                                                                      this.mnuSave});
            this.MenuItem1.Text = "File";
            // 
            // mnuNew
            // 
            this.mnuNew.Index = 0;
            this.mnuNew.Text = "New";
            // 
            // mnuOpen
            // 
            this.mnuOpen.Index = 1;
            this.mnuOpen.Text = "Open";
            // 
            // mnuSave
            // 
            this.mnuSave.Index = 2;
            this.mnuSave.Text = "Save";
            // 
            // menuTextProvider1
            // 
            this.menuTextProvider1.Location = new System.Drawing.Point(0, 244);
            this.menuTextProvider1.Name = "menuTextProvider1";
            this.menuTextProvider1.Size = new System.Drawing.Size(292, 22);
            this.menuTextProvider1.TabIndex = 0;
            this.menuTextProvider1.Text = "menuTextProvider1";
            // 
            // GroupBox1
            // 
            this.GroupBox1.Anchor = ((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
                | System.Windows.Forms.AnchorStyles.Right);
            this.GroupBox1.Location = new System.Drawing.Point(0, 240);
            this.GroupBox1.Name = "GroupBox1";
            this.GroupBox1.Size = new System.Drawing.Size(292, 4);
            this.GroupBox1.TabIndex = 2;
            this.GroupBox1.TabStop = false;
            this.GroupBox1.Text = "GroupBox1";
            // 
            // MenuTextProviderHost
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
            this.ClientSize = new System.Drawing.Size(292, 266);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.GroupBox1,
                                                                          this.menuTextProvider1});
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.Menu = this.mnuMain;
            this.Name = "MenuTextProviderHost";
            this.Text = "MenuTextProviderHost";
            this.Load += new System.EventHandler(this.MenuTextProviderHost_Load);
            this.ResumeLayout(false);
        }
        #endregion
        private void MenuTextProviderHost_Load(object sender, System.EventArgs e)
        {
            menuTextProvider1.SetHelpText(mnuNew, " Create a new document and abandon the current one.");
        }
        static void Main() 
        {
            Application.Run(new MenuTextProviderHost());
        }
    }
    [ProvideProperty("HelpText", typeof(string))]
    public class MenuTextProvider : StatusBar, IExtenderProvider
    {
        public bool CanExtend(object extendee)
        {
            if (extendee.GetType() == typeof(MenuItem))
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        private Hashtable helpText = new Hashtable();
        public void SetHelpText(object extendee, string value)
        {
            // Specifying an empty value removes the extension.
            if (value == "")
            {
                helpText.Remove(extendee);
                MenuItem mnu = (MenuItem)extendee;
                mnu.Select -= new EventHandler(MenuSelect);
            }
            else
            {
                helpText[extendee] = value;
                MenuItem mnu = (MenuItem)extendee;
                mnu.Select += new EventHandler(MenuSelect);
            }
        }
        public string GetHelpText(object extendee)
        {
            if (helpText[extendee] != null)
            {
                return helpText[extendee].ToString();
            }
            else
            {
                return string.Empty;
            }
            }
            private void MenuSelect(object sender, System.EventArgs e)
            {
                this.Text = helpText[sender].ToString();
            }
    }


}