using System;
using System.Windows.Forms;
using System.Drawing;

class ex : Form
{
    TextBox tb1 = new TextBox();

    ex()
    {
        Text = "hello";
        tb1.Location = new Point(0, 25);
        Controls.Add(tb1);

        MenuStrip ms = new MenuStrip();
        Controls.Add(ms);
        ToolStripMenuItem mi1 = new ToolStripMenuItem("File");
        ms.Items.Add(mi1);

        ToolStripMenuItem mi2 = new ToolStripMenuItem("Example");
        mi2.Click += new EventHandler(Example_Click);
        mi1.DropDownItems.Add(mi2);
    }

    void Example_Click(object sender, EventArgs e)
    {
        tb1.Text = "hi";
    }

    static public void Main()
    {
        Application.Run(new ex());
    }
}