// Copyright © SixtyFPS GmbH // SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial export Demo := Window { width: 300px; height: 300px; property toggle; t:= Text { text: "Hello World"; font-size: 24px; y <=> x; } property some_prop <=> t.text; states [ Hello when toggle: { t.y: 100px; // ^error{Cannot change the property 'y' in a state because it is initialized with a two-way binding} some_prop: "plop"; // ^error{Cannot change the property 'some-prop' in a state because it is initialized with a two-way binding} } ] }