Add control to a window : Console : GUI Windows Form C# Source Code

    

using System;
using System.Windows.Forms;

public class MyForm : Form{

  void btn1_onclick(object sender, EventArgs e)
  {
    Text = "Sender: " + sender.ToString() + " - Event: " + e.ToString();
  }

  void btn1_onclick2(object sender, EventArgs e){
    Console.WriteLine(String.Format("Sender: {0} - Event: {1}", sender.ToString(), e.ToString()));
  }

  public MyForm() {
    Text = "Hello World";

    Button btn1 = new Button();
    btn1.Text = "Click Me";
    this.Controls.Add(btn1);

    btn1.Click += new EventHandler(btn1_onclick);
    btn1.Click += new EventHandler(btn1_onclick2);
  }

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

}