1 require "tk"
2
3 TkButton.new(nil,
4 'text' => 'hello',
5 'command' => proc{print "hello\n"}).pack('fill'=>'x')
6 TkButton.new(nil,
7 'text' => 'quit',
8 'command' => 'exit').pack('fill'=>'x')
9
10 Tk.mainloop