From: Isaac Toothyxdip <toothyxdip@...>
Date: 2008-02-23T01:47:03+09:00
Subject: Ruby/Tk

Ok i have a question how come when i press the button it adds one but
then it doesnt do it again? Does it have to be in some kind of loop?

require 'tk'
number = 1
hello = TkRoot.new do
  title "Hello World"
  minsize(400,400)
end
lbl = TkLabel.new() { justify 'center'
  text    "#{number}";
  pack('padx'=>5, 'pady'=>5, 'side' => 'top') }
TkButton.new() {
  text "Add 1"
  command proc { lbl.configure('text'=>"#{number + 1}") }
  pack('side'=>'right', 'padx'=>10, 'pady'=>10)
}
Tk.mainloop

Thanks
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