liketofindoutwhy wrote:
> On Sep 28, 11:29 am, liketofindoutwhy <liketofindout... / gmail.com>
> wrote:
>> i would like do screen capture and then to display it in that app's
>> window, or be able to save the file in hard disk as a GIF or PNG. I
>> wonder if TCL Ruby or RMagick can already do that? Thanks.
> 
> oh i actually mean  Ruby/Tk
> 
> 

RMagick can do it on systems that have X Window. In other words, not MS 
Windows. http://studio.imagemagick.org/RMagick/doc/image1.html#capture.

-- 
RMagick: http://rmagick.rubyforge.org/