Hi, 

From: "Hal E. Fulton" <hal9000 / hypermetrics.com>
Subject: Re: Minor Tk bug on Windows?
Date: Thu, 25 Apr 2002 19:51:46 +0900
Message-ID: <002601c1ec47$a55db6e0$0300a8c0 / austin.rr.com>
hal9000> 1. How can I fix radio buttons so that when I move
hal9000> the focus to one (by tabbing), it is selected without
hal9000> my having to hit the space bar?
hal9000> I tried 
hal9000>     bind "FocusIn", myproc
hal9000> but it crashed and burned the app (irrespective of
hal9000> what the proc contained).

???
Does the following script crash?
-----------------------------
require 'tk'
v = TkVariable.new
(1..3).each{|i|
  TkRadioButton.new {
    text "Button #{i}"
    value i
    variable v
    bind 'FocusIn', proc{v.value=i}
    pack
  }
}
Tk.mainloop
-----------------------------
-- 
                                  Hidetoshi NAGAI (nagai / ai.kyutech.ac.jp)