sample/examples/action-namespace.rb in gtk4-4.0.3 vs sample/examples/action-namespace.rb in gtk4-4.0.4

@@ -121,10 +121,10 @@
   button.label = "Menu"
   button.insert_action_group("doc", doc_actions)
   button.menu_model = buttonmenu
   button.halign = :center
   button.valign = :start
-  win.add(button)
+  win.set_child(button)
   win.show
 end
 
 application.run(ARGV)