# Building Simple GUI Application in Ruby

**URL:** <https://www.ruby-forum.com/t/building-simple-gui-application-in-ruby/176682>\
**Category:** Ruby\
**Created:** [October 4, 2009, 10:50pm UTC](https://www.ruby-forum.com/t/building-simple-gui-application-in-ruby/176682 "2009-10-04T22:50:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![yousef\_1987](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/51bf81/32.png) [@yousef\_1987](https://www.ruby-forum.com/u/yousef_1987)\
**Post date:** [October 4, 2009, 10:50pm UTC](https://www.ruby-forum.com/t/building-simple-gui-application-in-ruby/176682/1 "2009-10-04T22:50:36Z")

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hi everybody ,  
Iam trying to develop a simple gui application by using NetBean6.5 on  
windows, by using ‘tk’ library when I tried to load it by using  
require"tk".  
it did not contine.

- : I installed ActiveTcl on my computer

this the error that was happened :

C:/Ruby/lib/ruby/1.8/i386-mswin32/tcltklib.so: 126: The specified module  
could not be found. - C:/Ruby/lib/ruby/1.8/i386-mswin32/tcltklib.so  
(LoadError)  
from  
C:/Ruby/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:31:in  
`require' from C:/Ruby/lib/ruby/1.8/tk.rb:7 from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in`gem\_original\_require’  
from  
C:/Ruby/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:31:in  
`require’  
from C:/Documents and Settings/Yousef/My  
Documents/NetBeansProjects/RubyApp1/lib/main.rb:4

---

<div class="post-metadata">

**Author:** ![yousef\_1987](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/51bf81/32.png) [@yousef\_1987](https://www.ruby-forum.com/u/yousef_1987)\
**Post date:** [October 5, 2009, 2:30pm UTC](https://www.ruby-forum.com/t/building-simple-gui-application-in-ruby/176682/2 "2009-10-05T14:30:43Z")

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> - : I installed ActiveTcl on my computer

Which version of active tcl did you install?  
-r