This widget is part of the Tix distribution and is supported by Perl/Tk just like any other Tk widget. Table A.14 shows the properties.
| Properties | Description | 
|---|---|
| command | Specifies a reference to a Perl subroutine, which is called when an entry is double clicked upon. | 
| drawbranch | If true, draws lines connecting parent and children and sibling entries. | 
| browsecmd | Called whenever any mouse click or drag event happens over an entry. | 
| columns | Each level of indentation is a column. Column sizes can be individually tailored. | 
| separator | The separator character. Defaults to "." | 
| selectmode | 
 | 
| indent | Indent amount for each successive level, in pixels. | 
| Methods | |
| add (entrypath, option, values) | Creates a new entry. The options can be at position, before path, after path, and all the entry properties discussed below. | 
| delete (option, entrypath) | Option can be  | 
| column (col, width) column (col, `char', nchars) | Set the width in pixels or in terms of character widths. | 
| entryconfigure, entrycget | Set/get the entry properties discussed below. | 
| info (option, entryPath) | Option can be  | 
| hide, show | Hide or show an entry | 
| Entry Properties | |
| `itemtype' | 
 | 
| `text' | The label of that entry. | 
| `image' | A bitmap or a pixmap. Used if itemtype is  | 
Note that this is a scrollable widget, so it also supports the generic xscrollcommand and yscrollcommand properties listed in Table A.12. This also means that a simple way to create a scrolled HList box is to call $parent->ScrlHList(options).