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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the qmake application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT_WINDOWS_REGISTRY_H
#define QT_WINDOWS_REGISTRY_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
QT_BEGIN_NAMESPACE
#include <QtCore/qglobal.h>
#ifdef Q_OS_WIN32
#include <QtCore/qt_windows.h>
#else
typedef void* HKEY;
#endif
#include <QtCore/qstring.h>
/**
* Read a value from the Windows registry.
*
* If the key is not found, or the registry cannot be accessed (for example
* if this code is compiled for a platform other than Windows), a null
* string is returned.
*
* 32-bit code reads from the registry's 32 bit view (Wow6432Node),
* 64 bit code reads from the 64 bit view.
* Pass KEY_WOW64_32KEY to access the 32 bit view regardless of the
* application's architecture, KEY_WOW64_64KEY respectively.
*/
QString qt_readRegistryKey(HKEY parentHandle, const QString &rSubkey,
unsigned long options = 0);
QT_END_NAMESPACE
#endif // QT_WINDOWS_REGISTRY_H
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