# Class virtual OgtkBinProps.handle_box_sigs

    class virtual handle_box_sigs : object .. end

    method private virtual connect : 'b. ([> `handlebox ], 'b) GtkSignal.t -> callback:'b -> GtkSignal.id

    method private virtual notify : 'b.
             ([> `handlebox ] as 'a, 'b) Gobject.property ->
             callback:('b -> unit) -> GtkSignal.id

    method child_attached : callback:(GObj.widget -> unit) -> GtkSignal.id

    method child_detached : callback:(GObj.widget -> unit) -> GtkSignal.id

    method notify_handle_position : callback:(GtkEnums.position_type -> unit) -> GtkSignal.id

    method notify_snap_edge : callback:(GtkEnums.position_type -> unit) -> GtkSignal.id

    method notify_shadow_type : callback:(GtkEnums.shadow_type -> unit) -> GtkSignal.id