At first I was going to say "No, I don't think it's possible", but then I thought I'd challenge myself.
I've posted the example files here:
http://www.opendcl.com/forum/index.php?topic=133.0Getting the Drag&Drop to work wasn't that difficult, but I was trying to get the listbox to update as you where dragging the items around & currently that doesn't seam possible.
This is a cool example, I think I'll add it to the MasterDemo project.