Revision control
++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QApplication>
++ #include <QMessageBox>
++ #include <QtNetwork>
++
++ QT_REQUIRE_CONFIG(ssl);
++
++ #include "sslclient.h"
++
++ int main(int argc, char **argv)
++ {
++ QApplication app(argc, argv);
++
++ if (!QSslSocket::supportsSsl()) {
++ QMessageBox::information(nullptr, "Secure Socket Client",
++ "This system does not support TLS.");
++ return -1;
++ }
++
++ SslClient client;
++ client.show();
++
++ return app.exec();
++ }