From: "Hal E. Fulton" <hal9000@...>
Date: 2002-10-22T13:23:37+09:00
Subject: Re: Ruby/Tk newbie question

----- Original Message -----
From: "ursus major" <someone@microsoft.com>
Newsgroups: comp.lang.ruby
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Monday, October 21, 2002 11:16 PM
Subject: Ruby/Tk newbie question


> Folks:
> A little help, please, with following script:
> ===============================
> require 'tk'
>
> def positionWindow(w,x=300,y=300)
>   geom = '+300+600'        #<< why does this work,
>   #geom = '+', x, '+', y       #<<  and this NOT work (when uncommented!),
>   print geom, "\n"               #<<  when they both print out the same?
>    w.geometry(geom)         #<<  the commented statement gives an error
> here!
> end

The commented statement assigns an
array to geom. It just happens to
look the same when you print it.

If you used p instead of print or
puts, you'd notice the difference.

What you want is something like one
of these:

  geom = "+#{x}+#{y}"
  geom = "+" + x.to_s + "+" + y.to_s

Hal