import { Button, VerticalBox , AboutSlint } from "std-widgets.slint"; export component AppWindow inherits Window { width: 320px; height: 240px; in-out property counter: 42; callback request-increase-value(); VerticalBox { Text { text: "Counter: \{root.counter}"; } Button { text: "Increase value"; clicked => { root.request-increase-value(); } } AboutSlint { } } }