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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "mainwindow.h"
++
++ #include <QApplication>
++
++ #include <QScreen>
++
++ #include <QRect>
++
++ //! [0]
++ int main(int argc, char *argv[])
++ {
++ QApplication app(argc, argv);
++ MainWindow mw;
++ const auto availableGeometry = mw.screen()->availableGeometry();
++ mw.resize(availableGeometry.width() / 3, availableGeometry.height() / 3);
++ mw.show();
++ return QApplication::exec();
++ }
++ //! [0]