# File gtk/sample/testgtk/checkbutton.rb, line 37
  def initialize
    super("check buttons")

    box1 = Gtk::VBox.new
    add(box1)

    box2 = Gtk::VBox.new(false, 10)
    box2.border_width = 10
    box1.add(box2)

    button = Gtk::CheckButton.new("button1")
    box2.add(button)

    button = Gtk::CheckButton.new("button2")
    box2.add(button)

    button = Gtk::CheckButton.new("button3")
    box2.add(button)

    box1.pack_start(Gtk::HSeparator.new)

    box2 = Gtk::VBox.new(false, 10)
    box2.border_width = 10
    box1.add(box2)

    button = Gtk::Button.new("close")
    button.signal_connect("clicked"){destroy}

    box2.add(button)
  end