MainWindow 0 0 1090 670 1090 670 1090 670 DTLS server 20 20 1050 576 520 540 520 540 Dtls server info: true 10 30 500 500 500 500 500 500 true 520 540 520 540 Received messages: true 10 30 500 500 500 500 500 500 true Qt::Horizontal 40 20 Start listening Quit Qt::Horizontal 40 20 0 0 1090 22 TopToolBarArea false