# Class GBin.expander

    class expander : [> Gtk.expander ] Gtk.obj -> object .. end

- Since GTK 2.4

Inherits

- `GContainer.bin`

    val obj : ([> Gtk.expander ] as 'a) Gtk.obj

    method connect : expander_signals

    method expanded : bool

    method label : string

    method label_widget : GObj.widget

    method set_expanded : bool -> unit

    method set_label : string -> unit

    method set_label_widget : GObj.widget -> unit

    method set_spacing : int -> unit

    method set_use_underline : bool -> unit

    method spacing : int

    method use_underline : bool