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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
//! [6]
QHelpEngineCore helpEngine("mycollection.qhc");
...
// get all file references for the identifier
QList<QHelpLink> links =
helpEngine.documentsForIdentifier(QLatin1String("MyDialog::ChangeButton"));
// If help is available for this keyword, get the help data
// of the first file reference.
if (links.count()) {
QByteArray helpData = helpEngine->fileData(links.constBegin()->url);
// show the documentation to the user
if (!helpData.isEmpty())
displayHelp(helpData);
}
//! [6]
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