Csharp/C Sharp/GUI Windows Form/ToolStripMenuItem

ToolStripMenuItem in action

<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form {

   private System.Windows.Forms.MenuStrip menuStrip1;
   private System.Windows.Forms.ToolStripMenuItem fileToolStripMenuItem1;
   private System.Windows.Forms.ToolStripMenuItem aboutToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem exitToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem formatToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem colorToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem blackToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem blueToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem redToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem greenToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem fontToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem timesToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem courierToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem comicToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem boldToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem italicToolStripMenuItem;
   private System.Windows.Forms.ToolStripSeparator dashToolStripMenuItem;
   private System.Windows.Forms.Label displayLabel;
 public Form1() {
       InitializeComponent();
 }
   private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
   {
     MessageBox.Show("First Line\nSecond Line",
        "About", MessageBoxButtons.OK, MessageBoxIcon.Information );
   }
  private void exitToolStripMenuItem_Click(object sender, EventArgs e)
  {
     Application.Exit();
  }
  private void ClearColor()
  {
     blackToolStripMenuItem.Checked = false;
     blueToolStripMenuItem.Checked = false;
     redToolStripMenuItem.Checked = false;
     greenToolStripMenuItem.Checked = false;
  } 
  private void blackToolStripMenuItem_Click(object sender, EventArgs e)
  {
     ClearColor();
     displayLabel.ForeColor = Color.Black;
     blackToolStripMenuItem.Checked = true;
  }
  private void blueToolStripMenuItem_Click(object sender, EventArgs e)
  {
     ClearColor();
     displayLabel.ForeColor = Color.Blue;
     blueToolStripMenuItem.Checked = true;
  }
  private void redToolStripMenuItem_Click(object sender, EventArgs e)
  {
     ClearColor();
     displayLabel.ForeColor = Color.Red;
     redToolStripMenuItem.Checked = true;
  }
  private void greenToolStripMenuItem_Click(object sender, EventArgs e)
  {
     ClearColor();
     displayLabel.ForeColor = Color.Green;
     greenToolStripMenuItem.Checked = true;
  }
  private void ClearFont()
  {
     timesToolStripMenuItem.Checked = false;
     courierToolStripMenuItem.Checked = false;
     comicToolStripMenuItem.Checked = false;
  }
  private void timesToolStripMenuItem_Click(object sender, EventArgs e)
  {
     ClearFont();
     timesToolStripMenuItem.Checked = true;
     displayLabel.Font = new Font( 
        "Times New Roman", 14, displayLabel.Font.Style );
  }
  private void courierToolStripMenuItem_Click(object sender, EventArgs e)
  {
     ClearFont();
     courierToolStripMenuItem.Checked = true;
     displayLabel.Font = new Font(
        "Courier", 14, displayLabel.Font.Style );
  }
  private void comicToolStripMenuItem_Click(object sender, EventArgs e)
  {
     ClearFont();
     comicToolStripMenuItem.Checked = true;
     displayLabel.Font = new Font(
        "Comic Sans MS", 14, displayLabel.Font.Style );
  }
  private void boldToolStripMenuItem_Click(object sender, EventArgs e)
  {
     boldToolStripMenuItem.Checked = !boldToolStripMenuItem.Checked;
     displayLabel.Font = new Font(
        displayLabel.Font.FontFamily, 14,
        displayLabel.Font.Style ^ FontStyle.Bold );
  }
  private void italicToolStripMenuItem_Click(object sender, EventArgs e)
  {
     italicToolStripMenuItem.Checked = !italicToolStripMenuItem.Checked;
     displayLabel.Font = new Font(
        displayLabel.Font.FontFamily, 14,
        displayLabel.Font.Style ^ FontStyle.Italic );
  } 
  private void InitializeComponent()
  {
    this.menuStrip1 = new System.Windows.Forms.MenuStrip();
    this.fileToolStripMenuItem1 = new System.Windows.Forms.ToolStripMenuItem();
    this.aboutToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.exitToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.formatToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.colorToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.blackToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.blueToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.redToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.greenToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.fontToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.timesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.courierToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.ruicToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.dashToolStripMenuItem = new System.Windows.Forms.ToolStripSeparator();
    this.boldToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.italicToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
    this.displayLabel = new System.Windows.Forms.Label();
    this.menuStrip1.SuspendLayout();
    this.SuspendLayout();
    // 
    // menuStrip1
    // 
    this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
       this.fileToolStripMenuItem1,
       this.formatToolStripMenuItem});
    this.menuStrip1.Location = new System.Drawing.Point(0, 0);
    this.menuStrip1.Name = "menuStrip1";
    this.menuStrip1.Size = new System.Drawing.Size(326, 24);
    this.menuStrip1.TabIndex = 4;
    this.menuStrip1.Text = "menuStrip1";
    // 
    // fileToolStripMenuItem1
    // 
    this.fileToolStripMenuItem1.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
       this.aboutToolStripMenuItem,
       this.exitToolStripMenuItem});
    this.fileToolStripMenuItem1.Name = "fileToolStripMenuItem1";
    this.fileToolStripMenuItem1.Text = "File";
    // 
    // aboutToolStripMenuItem
    // 
    this.aboutToolStripMenuItem.Name = "aboutToolStripMenuItem";
    this.aboutToolStripMenuItem.Text = "About";
    this.aboutToolStripMenuItem.Click += new System.EventHandler(this.aboutToolStripMenuItem_Click);
    // 
    // exitToolStripMenuItem
    // 
    this.exitToolStripMenuItem.Name = "exitToolStripMenuItem";
    this.exitToolStripMenuItem.Text = "Exit";
    this.exitToolStripMenuItem.Click += new System.EventHandler(this.exitToolStripMenuItem_Click);
    // 
    // formatToolStripMenuItem
    // 
    this.formatToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
       this.colorToolStripMenuItem,
       this.fontToolStripMenuItem});
    this.formatToolStripMenuItem.Name = "formatToolStripMenuItem";
    this.formatToolStripMenuItem.Text = "Format";
    // 
    // colorToolStripMenuItem
    // 
    this.colorToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
       this.blackToolStripMenuItem,
       this.blueToolStripMenuItem,
       this.redToolStripMenuItem,
       this.greenToolStripMenuItem});
    this.colorToolStripMenuItem.Name = "colorToolStripMenuItem";
    this.colorToolStripMenuItem.Text = "Color";
    // 
    // blackToolStripMenuItem
    // 
    this.blackToolStripMenuItem.Name = "blackToolStripMenuItem";
    this.blackToolStripMenuItem.Text = "Black";
    this.blackToolStripMenuItem.Click += new System.EventHandler(this.blackToolStripMenuItem_Click);
    // 
    // blueToolStripMenuItem
    // 
    this.blueToolStripMenuItem.Name = "blueToolStripMenuItem";
    this.blueToolStripMenuItem.Text = "Blue";
    this.blueToolStripMenuItem.Click += new System.EventHandler(this.blueToolStripMenuItem_Click);
    // 
    // redToolStripMenuItem
    // 
    this.redToolStripMenuItem.Name = "redToolStripMenuItem";
    this.redToolStripMenuItem.Text = "Red";
    this.redToolStripMenuItem.Click += new System.EventHandler(this.redToolStripMenuItem_Click);
    // 
    // greenToolStripMenuItem
    // 
    this.greenToolStripMenuItem.Name = "greenToolStripMenuItem";
    this.greenToolStripMenuItem.Text = "Green";
    this.greenToolStripMenuItem.Click += new System.EventHandler(this.greenToolStripMenuItem_Click);
    // 
    // fontToolStripMenuItem
    // 
    this.fontToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
       this.timesToolStripMenuItem,
       this.courierToolStripMenuItem,
       this.ruicToolStripMenuItem,
       this.dashToolStripMenuItem,
       this.boldToolStripMenuItem,
       this.italicToolStripMenuItem});
    this.fontToolStripMenuItem.Name = "fontToolStripMenuItem";
    this.fontToolStripMenuItem.Text = "Font";
    // 
    // timesToolStripMenuItem
    // 
    this.timesToolStripMenuItem.Name = "timesToolStripMenuItem";
    this.timesToolStripMenuItem.Text = "Times New Roman";
    this.timesToolStripMenuItem.Click += new System.EventHandler(this.timesToolStripMenuItem_Click);
    // 
    // courierToolStripMenuItem
    // 
    this.courierToolStripMenuItem.Name = "courierToolStripMenuItem";
    this.courierToolStripMenuItem.Text = "Courier";
    this.courierToolStripMenuItem.Click += new System.EventHandler(this.courierToolStripMenuItem_Click);
    // 
    // comicToolStripMenuItem
    // 
    this.ruicToolStripMenuItem.Name = "comicToolStripMenuItem";
    this.ruicToolStripMenuItem.Text = "Comic Sans";
    this.ruicToolStripMenuItem.Click += new System.EventHandler(this.ruicToolStripMenuItem_Click);
    // 
    // dashToolStripMenuItem
    // 
    this.dashToolStripMenuItem.Name = "dashToolStripMenuItem";
    // 
    // boldToolStripMenuItem
    // 
    this.boldToolStripMenuItem.Name = "boldToolStripMenuItem";
    this.boldToolStripMenuItem.Text = "Bold";
    this.boldToolStripMenuItem.Click += new System.EventHandler(this.boldToolStripMenuItem_Click);
    // 
    // italicToolStripMenuItem
    // 
    this.italicToolStripMenuItem.Name = "italicToolStripMenuItem";
    this.italicToolStripMenuItem.Text = "Italic";
    this.italicToolStripMenuItem.Click += new System.EventHandler(this.italicToolStripMenuItem_Click);
    // 
    // displayLabel
    // 
    this.displayLabel.Font = new System.Drawing.Font("Microsoft Sans Serif", 14F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
    this.displayLabel.Location = new System.Drawing.Point(12, 39);
    this.displayLabel.Name = "displayLabel";
    this.displayLabel.Size = new System.Drawing.Size(293, 89);
    this.displayLabel.TabIndex = 7;
    this.displayLabel.Text = "Text";
    // 
    // MenuTest
    // 
    this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
    this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
    this.ClientSize = new System.Drawing.Size(326, 169);
    this.Controls.Add(this.menuStrip1);
    this.Controls.Add(this.displayLabel);
    this.Name = "MenuTest";
    this.Text = "MenuTest";
    this.menuStrip1.ResumeLayout(false);
    this.ResumeLayout(false);
    this.PerformLayout();
 }
 [STAThread]
 static void Main()
 {
   Application.EnableVisualStyles();
   Application.Run(new Form1());
 }

}

      </source>

Use ToolStripMenuItem to set font size

<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; enum TextFontSize {

   FontSizeHuge = 30,
   FontSizeNormal = 20,
   FontSizeTiny = 8

} public class MainWindow : Form {

   private TextFontSize currFontSize = TextFontSize.FontSizeNormal;
   private ToolStripMenuItem currentCheckedItem;
   public MainWindow() {
       InitializeComponent();
       currentCheckedItem = normalToolStripMenuItem;
       currentCheckedItem.Checked = true;
       this.toolStripTextBoxColor.LostFocus += new EventHandler(toolStripTextBoxColor_LostFocus);
   }
   private void exitToolStripMenuItem_Click(object sender, EventArgs e) {
       Application.Exit();
   }
   void toolStripTextBoxColor_LostFocus(object sender, EventArgs e) {
       BackColor = Color.FromName(toolStripTextBoxColor.Text);
   }
   private void ContextMenuItemSelection_Clicked(object sender, EventArgs e) {
       currentCheckedItem.Checked = false;
       ToolStripMenuItem miClicked = miClicked = (ToolStripMenuItem)sender;
       if (miClicked.Name == "hugeToolStripMenuItem") {
           currFontSize = TextFontSize.FontSizeHuge;
           currentCheckedItem = hugeToolStripMenuItem;
       }
       if (miClicked.Name == "normalToolStripMenuItem") {
           currFontSize = TextFontSize.FontSizeNormal;
           currentCheckedItem = normalToolStripMenuItem;
       }
       if (miClicked.Name == "tinyToolStripMenuItem") {
           currFontSize = TextFontSize.FontSizeTiny;
           currentCheckedItem = tinyToolStripMenuItem;
       }
       currentCheckedItem.Checked = true;
       Invalidate();
   }
   private void MainWindow_Paint(object sender, PaintEventArgs e) {
       Graphics g = e.Graphics;
       g.DrawString("Right click on me...", new Font("Times New Roman", (float)currFontSize), new SolidBrush(Color.Black), 50, 50);
   }
   private void InitializeComponent() {
       this.mainMenuStrip = new System.Windows.Forms.MenuStrip();
       this.fileToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
       this.exitToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
       this.changeBackgroundColorToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
       this.toolStripTextBoxColor = new System.Windows.Forms.ToolStripTextBox();
       this.hugeToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
       this.normalToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
       this.tinyToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
       this.mainMenuStrip.SuspendLayout();
       this.fontSizeContextStrip.SuspendLayout();
       this.SuspendLayout();
       // 
       this.mainMenuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
           this.fileToolStripMenuItem,
           this.changeBackgroundColorToolStripMenuItem});
       this.mainMenuStrip.Location = new System.Drawing.Point(0, 0);
       this.mainMenuStrip.Name = "mainMenuStrip";
       this.mainMenuStrip.Size = new System.Drawing.Size(300, 24);
       this.mainMenuStrip.TabIndex = 0;
       this.mainMenuStrip.Text = "menuStrip1";
       this.fileToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
           this.exitToolStripMenuItem});
       this.fileToolStripMenuItem.Text = "&File";
       this.exitToolStripMenuItem.Text = "E&xit";
       this.exitToolStripMenuItem.Click += new System.EventHandler(this.exitToolStripMenuItem_Click);
       // 
       // changeBackgroundColorToolStripMenuItem
       // 
       this.changeBackgroundColorToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
           this.toolStripTextBoxColor});
       this.changeBackgroundColorToolStripMenuItem.Name = "changeBackgroundColorToolStripMenuItem";
       this.changeBackgroundColorToolStripMenuItem.Text = "Change Background Color";
       // 
       // toolStripTextBoxColor
       // 
       this.toolStripTextBoxColor.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.ImageAndText;
       this.toolStripTextBoxColor.Name = "toolStripTextBoxColor";
       this.toolStripTextBoxColor.Size = new System.Drawing.Size(100, 21);
       this.fontSizeContextStrip.Enabled = true;
       this.fontSizeContextStrip.GripMargin = new System.Windows.Forms.Padding(2);
       this.fontSizeContextStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
           this.hugeToolStripMenuItem,
           this.normalToolStripMenuItem,
           this.tinyToolStripMenuItem});
       this.fontSizeContextStrip.Location = new System.Drawing.Point(25, 90);
       this.fontSizeContextStrip.Name = "contextMenuStrip1";
       this.fontSizeContextStrip.RightToLeft = System.Windows.Forms.RightToLeft.No;
       this.fontSizeContextStrip.Size = new System.Drawing.Size(97, 70);
       this.hugeToolStripMenuItem.Text = "Huge";
       this.hugeToolStripMenuItem.Click += new System.EventHandler(this.ContextMenuItemSelection_Clicked);
       this.normalToolStripMenuItem.Text = "Normal";
       this.normalToolStripMenuItem.Click += new System.EventHandler(this.ContextMenuItemSelection_Clicked);
       this.tinyToolStripMenuItem.Text = "Tiny";
       this.tinyToolStripMenuItem.Click += new System.EventHandler(this.ContextMenuItemSelection_Clicked);
       this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
       this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
       this.ClientSize = new System.Drawing.Size(300, 145);
       this.ContextMenuStrip = this.fontSizeContextStrip;
       this.Controls.Add(this.mainMenuStrip);
       this.Paint += new System.Windows.Forms.PaintEventHandler(this.MainWindow_Paint);
       this.mainMenuStrip.ResumeLayout(false);
       this.fontSizeContextStrip.ResumeLayout(false);
       this.ResumeLayout(false);
       this.PerformLayout();
   }
   private System.Windows.Forms.MenuStrip mainMenuStrip;
   private System.Windows.Forms.ToolStripMenuItem fileToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem exitToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem changeBackgroundColorToolStripMenuItem;
   private System.Windows.Forms.ToolStripTextBox toolStripTextBoxColor;
   private System.Windows.Forms.ContextMenuStrip fontSizeContextStrip;
   private System.Windows.Forms.ToolStripMenuItem hugeToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem normalToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem tinyToolStripMenuItem;
   [STAThread]
   static void Main() {
       Application.EnableVisualStyles();
       Application.Run(new MainWindow());
   }

}

</source>