# -*- coding: utf-8 -*-
import clr

clr.AddReference("System.Windows.Forms")
clr.AddReference("System.Drawing")
from System.Windows.Forms import Application, Button, Form
from System.Drawing import Size

form = Form( Text="Hola Mundo", Size=Size(200, 200))
botón = Button(Text="¡ Púlsame !")

def onClick(event, handler):
    print "Hola mundo"
    
botón.Click += onClick
form.Controls.Add(botón)
Application.Run(form)