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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QtGui>
++
++ #include "mainwindow.h"
++
++ MainWindow::MainWindow()
++ {
++ QLabel *label = new QLabel(tr("This is the main window."));
++ label->setAlignment(Qt::AlignCenter);
++ setCentralWidget(label);
++ }