Answer / guest

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

public class Butevent:Form {
TextBox t1 = new TextBox();
Button b1 = new Button();
public Butevent() {
this.Text = "C# Program ";
t1.Location = new Point(20,30);
b1.Text = "Click here to activate";
b1.Location = new Point(20,55);
b1.Size = new Size(150,20);

// Invoking Method or EventHandler
b1.Click+=new EventHandler(OnClick);

this.Controls.Add(t1);
this.Controls.Add(b1);

// Invoking Method or EventHandler
this.Resize += new EventHandler(OnResize);
}

//Applying EventHandler
public void OnResize(object sender,EventArgs ee) {
MessageBox.Show("oops! Form Resized");
}

//Applying EventHandler
public void OnClick(object sender,EventArgs e) {
t1.Text = "Hello C#";
}

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

}

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