I have a problem in using the tkextlib extensions. I have found in the  
current distribution for windows (ruby 1.8.2 (2004-12-25) [i386-mswin32])  
the subdir ruby182\samples\tk\tkextlib\iwidgets\sample which contains a  
lot of simple examples for using the extensions. When trying these  
examples by

> ruby combobox.rb

I get the following error:

D:\programme\ruby\ruby182\samples\tk\tkextlib\iwidgets\sample>ruby  
combobox.rb
d:/programme/ruby/ruby182/lib/ruby/1.8/tk/package.rb:86:in `require':  
TkPackage can't find package Itcl (RuntimeError)
         from  
d:/programme/ruby/ruby182/lib/ruby/1.8/tkextlib/itcl/incr_tcl.rb:12
         from  
d:/programme/ruby/ruby182/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in  
`require__'
         from  
d:/programme/ruby/ruby182/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in  
`require'
         from d:/programme/ruby/ruby182/lib/ruby/1.8/tkextlib/itcl.rb:13
         from  
d:/programme/ruby/ruby182/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in  
`require__'
         from  
d:/programme/ruby/ruby182/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in  
`require'
         from d:/programme/ruby/ruby182/lib/ruby/1.8/tkextlib/iwidgets.rb:7
         from  
d:/programme/ruby/ruby182/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in  
`require__'
         from  
d:/programme/ruby/ruby182/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in  
`require'
         from combobox.rb:3

Does that mean that the installation is something missing, do I have to  
install Itcl additionally (and how) ...

When checking the installation by using  
ruby182\lib\ruby\1.8\tkextlib\pkg_checker.rb, I get a lot of error  
messages:

Ready : itcl.rb : require->{}
*LACK : itcl/incr_tcl.rb : require->{}  FAIL->[["Itcl", :package]]
Ready : itcl/setup.rb : require->{}

*LACK : iwidgets.rb : require->{}  FAIL->[["tkextlib/itcl",  
:require_ruby_lib], ["tkextlib/itk", :require_ruby_lib], ["I
widgets", :package]]
Ready : iwidgets/buttonbox.rb : require->{}
Ready : iwidgets/calendar.rb : require->{}
Ready : iwidgets/canvasprintbox.rb : require->{}
Ready : iwidgets/canvasprintdialog.rb : require->{}
[...]

Could someone enlight me what is going wrong? I would like to use the  
additional widget combobox, and have found no way to do it.

Thank you for your patience with a starter in Tk on Ruby

Bye
-- 
Markus Liebelt; markus.liebelt / online.de