Tk::ListboxDnD seems to be what you want. A casual search of http://perltk.org for List drag sel revealed ListboxDnD, which ended up on cpan as Tk::ListboxDnD.

A similar search (Tk List drag) on cpan revealed Tk::ListboxDnD as well. You should give it a try.

MJD says "you can't just make shit up and expect the computer to know what you mean, retardo!"

I run a Win32 PPM repository for perl 5.6.x and 5.8.x -- I take requests (README).

** The third rule of perl club is a statement of fact: pod is sexy.