C# 0 The Complete Reference

PART II

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    // Create File submenu.

    ToolStripMenuItem item1 = new ToolStripMenuItem("Open");

    m1.DropDownItems.Add(item1);

    ToolStripMenuItem item2 = new ToolStripMenuItem("Close");

    m1.DropDownItems.Add(item2);

    ToolStripMenuItem item3 = new ToolStripMenuItem("Exit");

    m1.DropDownItems.Add(item3);

    // Create Tools submenu.

    ToolStripMenuItem item4 = new ToolStripMenuItem("Coordinates");

    m2.DropDownItems.Add(item4);

    ToolStripMenuItem item5 = new ToolStripMenuItem("Change Size");

    m2.DropDownItems.Add(item5);

    ToolStripMenuItem item6 = new ToolStripMenuItem("Restore");

    m2.DropDownItems.Add(item6);

    // Add event handlers for the menu items.

    item1.Click += MMOpenClick;

    item2.Click += MMCloseClick;

    item3.Click += MMExitClick;

    item4.Click += MMCoordClick;

    item5.Click += MMChangeClick;

    item6.Click += MMRestoreClick;

    // Add to list of controls.

    Controls.Add(MyMenu);

    // Assign the menu to the form.

    MainMenuStrip = MyMenu;

  }

  [STAThread]

  static void Main() {

    MenuForm skel = new MenuForm();

    Application.EnableVisualStyles();

    Application.Run(skel);

  }

  // Handler for main menu Coordinates selection.

  void MMCoordClick(object who, EventArgs e) {

    // Create a string that contains the coordinates.

    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",

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P a r t   I I :  

E x p l o r i n g   t h e   C #   L i b r a r y

                    MessageBoxButtons.OK);

  }

  // Handler for main menu Change selection.

  void MMChangeClick(object who, EventArgs e) {

    Width = Height = 200;

  }

  // Handler for main menu Restore selection.

  void MMRestoreClick(object who, EventArgs e) {

    Width = Height = 300;

  }

  // Handler for main menu Open selection.

  void MMOpenClick(object who, EventArgs e) {

    MessageBox.Show("Inactive", "Inactive",

                    MessageBoxButtons.OK);

  }

  // Handler for main menu Close selection.

  void MMCloseClick(object who, EventArgs e) {

    MessageBox.Show("Inactive", "Inactive",

                    MessageBoxButtons.OK);

  }

  // Handler for main menu Exit selection.

  void MMExitClick(object who, EventArgs e) {

    DialogResult result = MessageBox.Show("Stop Program?",

                            "Terminate",

                             MessageBoxButtons.YesNo);

    if(result == DialogResult.Yes) Application.Exit();

  }

}

F

IGURE

 26-5 

Sample output 

from the 

MenuStrip

program

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