---
name: "Gtk2::Expander"
section: "3pm"
platform: "linux"
package: "libgtk2-perl-doc"
version: "2:1.24992-1"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/Gtk2::Expander"
---

# Gtk2::Expander(3pm)

wrapper for GtkExpander

## NAME

Gtk2::Expander - wrapper for GtkExpander

## HIERARCHY

```
  Glib::Object
  +----Glib::InitiallyUnowned
       +----Gtk2::Object
            +----Gtk2::Widget
                 +----Gtk2::Container
                      +----Gtk2::Bin
                           +----Gtk2::Expander
```

## INTERFACES

```
  Glib::Object::_Unregistered::AtkImplementorIface
  Gtk2::Buildable
```

## METHODS

### widget = Gtk2::Expander-\>new ($label=undef)

- •

  `$label` (string or undef)

### widget = Gtk2::Expander-\>new\_with\_mnemonic ($label)

- •

  `$label` (string)

### boolean = $expander-\>get\_expanded

### $expander-\>set\_expanded ($expanded)

- •

  `$expanded` (boolean)

### boolean = $expander-\>get\_label\_fill

Since: gtk+ 2.22

### $expander-\>set\_label\_fill ($label\_fill)

- •

  `$label_fill` (boolean)

Since: gtk+ 2.22

### string = $expander-\>get\_label

### $expander-\>set\_label ($label)

- •

  `$label` (string)

### widget = $expander-\>get\_label\_widget

### $expander-\>set\_label\_widget ($label\_widget)

- •

  `$label_widget` (Gtk2::Widget)

### integer = $expander-\>get\_spacing

### $expander-\>set\_spacing ($spacing)

- •

  `$spacing` (integer)

### boolean = $expander-\>get\_use\_markup

### $expander-\>set\_use\_markup ($use\_markup)

- •

  `$use_markup` (boolean)

### boolean = $expander-\>get\_use\_underline

### $expander-\>set\_use\_underline ($use\_underline)

- •

  `$use_underline` (boolean)

## PROPERTIES

- 'expanded' (boolean : default false : readable / writable / construct / private)

  Whether the expander has been opened to reveal the child widget

- 'label' (string : default undef : readable / writable / construct / private)

  Text of the expander's label

- 'label-fill' (boolean : default false : readable / writable / construct / private)

  Whether the label widget should fill all available horizontal space

- 'label-widget' (Gtk2::Widget : default undef : readable / writable / private)

  A widget to display in place of the usual expander label

- 'spacing' (integer : default 0 : readable / writable / private)

  Space to put between the label and the child

- 'use-markup' (boolean : default false : readable / writable / construct / private)

  The text of the label includes XML markup. See *pango\_parse\_markup()*

- 'use-underline' (boolean : default false : readable / writable / construct / private)

  If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key

## STYLE PROPERTIES

- 'expander-size' (integer : default 10 : readable / private)

  Size of the expander arrow

- 'expander-spacing' (integer : default 2 : readable / private)

  Spacing around expander arrow

## SIGNALS

- **activate** (Gtk2::Expander)

  ## SEE ALSO

Gtk2, Glib::Object, Glib::InitiallyUnowned, Gtk2::Object, Gtk2::Widget, Gtk2::Container, Gtk2::Bin

## COPYRIGHT

Copyright (C) 2003-2011 by the gtk2-perl team.

This software is licensed under the LGPL.  See Gtk2 for a full notice.