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main.cpp Example File
^{tutorial/t3/main.cpp}

    /****************************************************************************
    **
    ** Copyright (C) 2005-2006 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
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    #include <QApplication>
    #include <QFont>
    #include <QPushButton>
    #include <QWidget>

    int main(int argc, char *argv[])
    {
        QApplication app(argc, argv);

        QWidget window;
        window.resize(200, 120);

        QPushButton quit("Quit", &window);
        quit.setFont(QFont("Times", 18, QFont::Bold));
        quit.setGeometry(10, 40, 180, 40);
        QObject::connect(&quit, SIGNAL(clicked()), &app, SLOT(quit()));

        window.show();
        return app.exec();
    }