func main() { var tool *walk.Action var menutool *walk.Menu var mw *walk.MainWindow mw.SetMaximizeBox(false) mw.SetFixedSize(true) mw, _ = walk.NewMainWindowCody() mw.SetTitle("测试") mw.SetSize(walk.Size{300, 200}) menutool, _ = walk.NewMenu() tool = walk.NewMenuAction(menutool) tool.SetText("文件") open := walk.NewAction() open.SetText("打开") exit := walk.NewAction() exit.SetText("退出") menutool.Actions().Add(open) menutool.Actions().Add(exit) men2, _ := walk.NewMenu() too2 := walk.NewMenuAction(men2) too2.SetText("工具") mw.Menu().Actions().Add(tool) mw.Menu().Actions().Add(too2) mw.Show() mw.Run() }