File: expander.rb

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#!/usr/bin/env ruby
=begin
  expander.rb - Ruby/GTK2 sample script.

  Copyright (c) 2004-2006 Ruby-GNOME2 Project Team
  This program is licenced under the same licence as Ruby-GNOME2.

  $Id: expander.rb,v 1.3 2006/06/17 13:18:12 mutoh Exp $
=end

require 'gtk2'

expander = Gtk::Expander.new("Expander Sample")
expander.expanded = true

button = Gtk::Button.new("Hide this button.")
button.signal_connect("clicked") do
  expander.expanded = false
end

button.set_size_request(200, 200)
expander.add(button)

Gtk::Window.new.add(expander).show_all.signal_connect("destroy"){Gtk.main_quit}

Gtk.main