Is anybody aware of a tree GUI widget for tkinter or Pmw?

[Robin Becker]

In article <3796E213.9F326412 at eng.cam.ac.uk>, D. Lopez-De-Ipina
<dl231 at eng.cam.ac.uk> writes
>Hi,
>
>Could anybody please tell me if there exits any TREE control widget for
>tkinter or Pmw? I know that Pmw provides a rather rich set of
>'megawidgets' but the tree control has not been implemented yet as far
>as I know.
>
>Thanks a lot,
>
>Diego
>
the BWidget set in pure tcl at http://www.unifix-online.com/BWidget/
contains a nice tree widget.
-- 
Robin Becker