// GTK+ Hello World in Io using the enhanced DynLib extension

doFile("gtk.io")

MyApp := Window clone do(

  quitOnDestroy
  setBorderWidth(10)
  delete_event := method(writeln("Goodbye!") ; 0)

  foo := 1

  button := Button clone setLabel("Hello World") show
  button clicked := block(o, arg,
    writeln("Hello World ", foo)
    foo = foo + 1
  )
  add(button)
)

MyApp show