GUI Windows Forms C# Tutorial

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
  public class ToolbarStylesForm : System.Windows.Forms.Form
  {
    private System.Windows.Forms.ToolBar tbMain;
    private System.Windows.Forms.MainMenu mainMenu1;
    private System.Windows.Forms.MenuItem menuItem1;
    private System.Windows.Forms.MenuItem mnuAppearanceNormal;
    private System.Windows.Forms.MenuItem mnuAppearanceFlat;
    private System.Windows.Forms.MenuItem mnuTextAlignUnderneath;
    private System.Windows.Forms.MenuItem mnuTextAlignRight;
    private System.Windows.Forms.MenuItem mnuDivider;
    string[] astrTBarButtons = { "New", "Open", "Save",
                     "Cut", "Copy", "Paste", "Print", "Help"};
    public ToolbarStylesForm()
    {
      InitializeComponent();
      tbMain.ImageList = new ImageList();
      Bitmap bmpImageStrip = new Bitmap(GetType(), "Toolbar.bmp");
      bmpImageStrip.MakeTransparent(Color.FromArgb(0xff, 0x00, 0xff));
      tbMain.ImageList.ImageSize = new Size(16, 15);
      tbMain.ImageList.Images.AddStrip(bmpImageStrip);
      
      // Create the toolbar buttons
      for (int i=0; i < astrTBarButtons.Length; i++)
      {
        ToolBarButton tbb = new ToolBarButton();
        tbb.ImageIndex = i;
        tbb.ToolTipText = astrTBarButtons[i];
        tbMain.Buttons.Add(tbb);
      }
    }
    private void InitializeComponent()
    {
      this.tbMain = new System.Windows.Forms.ToolBar();
      this.mainMenu1 = new System.Windows.Forms.MainMenu();
      this.menuItem1 = new System.Windows.Forms.MenuItem();
      this.mnuAppearanceNormal = new System.Windows.Forms.MenuItem();
      this.mnuAppearanceFlat = new System.Windows.Forms.MenuItem();
      this.mnuTextAlignUnderneath = new System.Windows.Forms.MenuItem();
      this.mnuTextAlignRight = new System.Windows.Forms.MenuItem();
      this.mnuDivider = new System.Windows.Forms.MenuItem();
      this.SuspendLayout();
      // 
      // tbMain
      // 
      this.tbMain.DropDownArrows = true;
      this.tbMain.Name = "tbMain";
      this.tbMain.ShowToolTips = true;
      this.tbMain.Size = new System.Drawing.Size(292, 39);
      this.tbMain.TabIndex = 0;
      // 
      // mainMenu1
      // 
      this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                            this.menuItem1});
      // 
      // menuItem1
      // 
      this.menuItem1.Index = 0;
      this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                            this.mnuAppearanceNormal,
                                            this.mnuAppearanceFlat,
                                            this.mnuDivider,
                                            this.mnuTextAlignUnderneath,
                                            this.mnuTextAlignRight});
      this.menuItem1.Text = "Styles";
      // 
      // mnuAppearanceNormal
      // 
      this.mnuAppearanceNormal.Index = 0;
      this.mnuAppearanceNormal.Text = "Normal";
      this.mnuAppearanceNormal.Click += new System.EventHandler(this.OnAppearanceNormal);
      // 
      // mnuAppearanceFlat
      // 
      this.mnuAppearanceFlat.Index = 1;
      this.mnuAppearanceFlat.Text = "Flat";
      this.mnuAppearanceFlat.Click += new System.EventHandler(this.OnAppearanceFlat);
      // 
      // mnuTextAlignUnderneath
      // 
      this.mnuTextAlignUnderneath.Index = 3;
      this.mnuTextAlignUnderneath.Text = "Text underneath";
      this.mnuTextAlignUnderneath.Click += new System.EventHandler(this.OnTextAlignUnderneath);
      // 
      // mnuTextAlignRight
      // 
      this.mnuTextAlignRight.Index = 4;
      this.mnuTextAlignRight.Text = "Text right";
      this.mnuTextAlignRight.Click += new System.EventHandler(this.OnTextAlignRight);
      // 
      // mnuDivider
      // 
      this.mnuDivider.Index = 2;
      this.mnuDivider.Text = "Divider";
      this.mnuDivider.Click += new System.EventHandler(this.OnDivider);
      // 
      // ToolbarStylesForm
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.tbMain});
      this.Menu = this.mainMenu1;
      this.Name = "ToolbarStylesForm";
      this.Text = "Toolbar Styles";
      this.ResumeLayout(false);
    }
    static void Main() 
    {
      Application.Run(new ToolbarStylesForm());
    }
    private void OnAppearanceNormal(object sender, System.EventArgs e)
    {
      tbMain.Appearance = ToolBarAppearance.Normal;
    }
    private void OnAppearanceFlat(object sender, System.EventArgs e)
    {
      tbMain.Appearance = ToolBarAppearance.Flat;
    }
    private void OnDivider(object sender, System.EventArgs e)
    {
      tbMain.Divider = !tbMain.Divider;
    }
    private void OnTextAlignUnderneath(object sender, System.EventArgs e)
    {
      AddTextToToolBarButtons();
      tbMain.TextAlign = ToolBarTextAlign.Underneath;
    }
    private void OnTextAlignRight(object sender, System.EventArgs e)
    {
      AddTextToToolBarButtons();
      tbMain.TextAlign = ToolBarTextAlign.Right;
    }
    private void AddTextToToolBarButtons()
    {
      for (int i=0; i < astrTBarButtons.Length; i++)
      {
        tbMain.Buttons[i].Text = astrTBarButtons[i];
      }
    }
    private void RemoveTextFromToolBarButtons()
    {
      for (int i=0; i < astrTBarButtons.Length; i++)
      {
        tbMain.Buttons[i].Text = "";
      }
      tbMain.Refresh();
    }
  }