Gets the edge used for determining reattachment of the handle box. See gtk.handle_box.HandleBox.setSnapEdge.
the edge used for determining reattachment, or (GtkPositionType)-1 if this is determined (as per default) from the handle position.
Deprecated: #GtkHandleBox has been deprecated.
Gets the edge used for determining reattachment of the handle box. See gtk.handle_box.HandleBox.setSnapEdge.