?label:string ->
?icon:Widget.icon ->
?tooltip:string ->
unit ->
object
method coerce : GObj.widget
method connect : (unit -> unit) -> unit
method default : unit -> unit
method fire : unit -> unit
method lock : (unit -> unit) -> unit
method on_check : unit -> (bool -> unit) -> unit
method on_event : (unit -> unit) -> unit
method on_value : unit -> (unit -> unit) -> unit
method set_enabled : bool -> unit
method set_icon : Widget.icon option -> unit
method set_label : string -> unit
method set_relief : bool -> unit
end