`([> `combobox ] as 'a) Gobject.obj ->
object
val obj : 'a Gobject.obj
method active : callback:(int -> unit) -> GtkSignal.id
method add_tearoffs : callback:(bool -> unit) -> GtkSignal.id
method focus_on_click : callback:(bool -> unit) -> GtkSignal.id
method has_frame : callback:(bool -> unit) -> GtkSignal.id
method private notify :
'b. ('a, 'b) Gobject.property -> callback:('b -> unit) -> GtkSignal.id
method wrap_width : callback:(int -> unit) -> GtkSignal.id
end`