Is this what you're trying to get working?
http://wiki.tcl.tk/5823
http://sourceforge.net/projects/tktable/files/vu/2.1.0/
I just downloaded the `vu2.1.0-win32-x86.zip` package. The deps for `vu21.dll` are kernel32.dll, msvcrt.dll, gdi32.dll which are available on my Win7 SP1 32bit system and most likely available on your WinXP laptop.
I see this from the zip's `README.txt` so I still think the fix is to put the files in the right location under `<INSTALL_DIR>/lib`. Maybe everything needs to be extracted to the `<INSTALL_DIR>/lib/tcltk/vu-2.1.0` dir and it will be picked up by default?
BINARY DISTRIBUTIONS
====================
If this is a binary distribution, then the vu-<version> directory
just needs to be placed as a sibling directory next to $tk_library.
You can place it anywhere, as long as $auto_path has the name of
the directory.
This info re: $auto_path looks promising http://wiki.tcl.tk/1628
Looks like we just need to solve search path issues.
Jon
---
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Great! I'd like to see a snippet of your Ruby code to learn how you're
using the vu components with standard Tk components.
While it likely works fine, injecting 3rd party Tcl/Tk goodies into
RubyInstaller's private Tcl/Tk library is a bad idea for many reasons.
I prefer something like the following which mods Tcl's $auto_path to
point to a dir dedicated to Tcl/Tk addons. Better yet, let's figure
out how to set an AUTO_PATH environment var similar to how you might
use GEM_PATH, PYTHONPATH, etc.
# extract `vu2.1.0-win32-x86.zip` contents to `c:\devlibs\tcltk`
C:\Users\Jon\Documents>ripl
>> RUBY_DESCRIPTION
=> "ruby 1.9.3p0 (2011-11-08 revision 33661) [i386-mingw32]"
>> require 'tk'
=> true
>> Tk::AUTO_PATH.value += ' c:/devlibs/tcltk'
=> "C:/ruby193/lib/tcltk/tcl8.5 C:/ruby193/lib/tcltk C:/ruby193/lib
C:/ruby193/lib/tcltk/tk8.5 C:/ruby193/lib/tcltk/tk8.5/ttk
c:/devlibs/tcltk"
>> Tk.tk_call *%w{package require vu}
=> "2.1.0"