

list_listbox_subwindow
  
    set result [list_listbox_subwindow .windowname "Show this text" $list]
  
Creates a listbox with scroll bars, where each entry is an element in
the passed list.  Clicking cancel causes it to
return empty, clicking OK or double clicking an entry returns the
name of the corresponding array element.
  
If more than one entry is selected, only the first one is returned.
  
    

