From: Dave Mihalik <hansolox1@...>
Date: 2006-08-21T19:24:59+09:00
Subject: How do I set the icon for a window using Ruby Tk?

I would like to be able to change the icon of a window displayed using 
Ruby and Tk.

Using Perl and Tk I can do the following:

use strict;
use warnings;
use Tk;

my $mymainwindow = MainWindow->new();

my $myicon = $mymainwindow->Photo(-file=>"myimage.gif");

$mymainwindow->iconimage($myicon);
MainLoop();

How would I go about doing this using Ruby and Tk?

I have tried the following:

require 'tk'

mymainwindow = TkRoot.new()
myicon = TkPhotoImage.new {file "myimage.gif"}
mymainwindow.iconimage(myicon)

Tk.mainloop()

I get the error unknown option "-iconimage" at runtime.

What is the correct way to set the icon image for a window using Ruby 
and Tk?

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