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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
++
++ #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.
++ //
++
++ #include <QtCore/qglobal.h>
++
++ #ifdef Q_OS_WIN32
++ #include <QtCore/qt_windows.h>
++ #else
++ typedef void* HKEY;
++ #endif
++
++ #include <QtCore/qstring.h>
++
++ QT_BEGIN_NAMESPACE
++
++ /**
++ * 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
++