Class OgtkTreeProps.tree_sortable_sigs
method private virtual connect : b. ([> `treesortable ] as 'a, 'b) GtkSignal.t -> callback:'b -> GtkSignal.id
method private virtual notify : b. ('a, 'b) Gobject.property -> callback:('b -> unit) -> GtkSignal.id
method sort_column_changed : < sort_column_changed : callback:(unit -> unit) -> GtkSignal.id; .. > -> callback:(unit -> unit) -> GtkSignal.id