// Fig. 14.4: MenuTest.cs
// Using Menus to change font colors and styles.
using System;
using System.Drawing;
using System.Windows.Forms;

// our Form contains a Menu that changes the font color
// and style of the text displayed in Label
public partial class MenuTest : Form
{
   // default constructor
   public MenuTest()
   {
      InitializeComponent();
   } // end constructor

   // display MessageBox when About MenuItem is selected
   private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
   {
      MessageBox.Show(
         "This is an example\nof using menus.",
         "About", MessageBoxButtons.OK, MessageBoxIcon.Information );
   } // end method aboutMenuItem_Click

   // exit program when Exit MenuItem is selected
   private void exitToolStripMenuItem_Click(object sender, EventArgs e)
   {
      Application.Exit();
   } // end method exitMenuItem_Click

   // reset checkmarks for Color MenuItems
   private void ClearColor()
   {
      // clear all checkmarks
      blackToolStripMenuItem.Checked = false;
      blueToolStripMenuItem.Checked = false;
      redToolStripMenuItem.Checked = false;
      greenToolStripMenuItem.Checked = false;
   } // end method ClearColor

   // update Menu state and color display black
   private void blackToolStripMenuItem_Click(object sender, EventArgs e)
   {
      // reset checkmarks for Color MenuItems
      ClearColor();

      // set Color to Black
      displayLabel.ForeColor = Color.Black;
      blackToolStripMenuItem.Checked = true;
   } // end method blackMenuItem_Click

   // update Menu state and color display blue
   private void blueToolStripMenuItem_Click(object sender, EventArgs e)
   {
      // reset checkmarks for Color MenuItems
      ClearColor();

      // set Color to Blue
      displayLabel.ForeColor = Color.Blue;
      blueToolStripMenuItem.Checked = true;
   } // end method blueMenuItem_Click

   // update Menu state and color display red
   private void redToolStripMenuItem_Click(object sender, EventArgs e)
   {
      // reset checkmarks for Color MenuItems
      ClearColor();

      // set Color to Red
      displayLabel.ForeColor = Color.Red;
      redToolStripMenuItem.Checked = true;
   } // end method redMenuItem_Click

   // update Menu state and color display green
   private void greenToolStripMenuItem_Click(object sender, EventArgs e)
   {
      // reset checkmarks for Color MenuItems
      ClearColor();

      // set Color to Green
      displayLabel.ForeColor = Color.Green;
      greenToolStripMenuItem.Checked = true;
   } // end method greenMenuItem_Click

   // reset checkmarks for Font MenuItems
   private void ClearFont()
   {
      // clear all checkmarks
      timesToolStripMenuItem.Checked = false;
      courierToolStripMenuItem.Checked = false;
      comicToolStripMenuItem.Checked = false;
   } // end method ClearFont

   // update Menu state and set Font to Times New Roman
   private void timesToolStripMenuItem_Click(object sender, EventArgs e)
   {
      // reset checkmarks for Font MenuItems
      ClearFont();

      // set Times New Roman font
      timesToolStripMenuItem.Checked = true;
      displayLabel.Font = new Font( 
         "Times New Roman", 14, displayLabel.Font.Style );
   } // end method timesMenuItem_Click

   // update Menu state and set Font to Courier
   private void courierToolStripMenuItem_Click(object sender, EventArgs e)
   {
      // reset checkmarks for Font MenuItems
      ClearFont();

      // set Courier font
      courierToolStripMenuItem.Checked = true;
      displayLabel.Font = new Font(
         "Courier", 14, displayLabel.Font.Style );
   } // end method courierMenuItem_Click

   // update Menu state and set Font to Comic Sans MS
   private void comicToolStripMenuItem_Click(object sender, EventArgs e)
   {
      // reset checkmarks for Font MenuItems
      ClearFont();

      // set Comic Sans font
      comicToolStripMenuItem.Checked = true;
      displayLabel.Font = new Font(
         "Comic Sans MS", 14, displayLabel.Font.Style );
   } // end method comicMenuItem_Click

   // toggle checkmark and toggle bold style
   private void boldToolStripMenuItem_Click(object sender, EventArgs e)
   {
      // toggle checkmark
      boldToolStripMenuItem.Checked = !boldToolStripMenuItem.Checked;

      // use Xor to toggle bold, keep all other styles
      displayLabel.Font = new Font(
         displayLabel.Font.FontFamily, 14,
         displayLabel.Font.Style ^ FontStyle.Bold );
   } // end method boldMenuItem_Click

   // toggle checkmark and toggle italic style
   private void italicToolStripMenuItem_Click(object sender, EventArgs e)
   {
      // toggle checkmark
      italicToolStripMenuItem.Checked = !italicToolStripMenuItem.Checked;

      // use Xor to toggle italic, keep all other styles
      displayLabel.Font = new Font(
         displayLabel.Font.FontFamily, 14,
         displayLabel.Font.Style ^ FontStyle.Italic );
   } // end method italicMenuItem_Click
} // end class MenuTest

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