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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
//! [0]
...
progressBar = new QProgressBar(this);
progressBar->setRange(0, 100);
// Construct a 1-second timeline with a frame range of 0 - 100
QTimeLine *timeLine = new QTimeLine(1000, this);
timeLine->setFrameRange(0, 100);
connect(timeLine, &QTimeLine::frameChanged, progressBar, &QProgressBar::setValue);
// Clicking the push button will start the progress bar animation
pushButton = new QPushButton(tr("Start animation"), this);
connect(pushButton, &QPushButton::clicked, timeLine, &QTimeLine::start);
...
//! [0]
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