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diff --git a/examples/quickcontrols/attachedstyleproperties/MyStyle/mystyle.h b/examples/quickcontrols/attachedstyleproperties/MyStyle/mystyle.h
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+++ b/examples/quickcontrols/attachedstyleproperties/MyStyle/mystyle.h
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+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef MYSTYLE_H
+#define MYSTYLE_H
+
+#include <QColor>
+#include <QQmlEngine>
+#include <QQuickAttachedPropertyPropagator>
+
+#include "mystyle_export.h"
+
+class MYSTYLE_EXPORT MyStyle : public QQuickAttachedPropertyPropagator
+{
+    Q_OBJECT
+    // Provide a RESET function in order to allow an item to set MyStyle.theme to undefined
+    // in order to use its parent's (or global) theme after one was explicitly set on it.
+    Q_PROPERTY(Theme theme READ theme WRITE setTheme RESET resetTheme NOTIFY themeChanged FINAL)
+    // As the values of these properties only depend on the theme, they can all use the theme
+    // property's change signal.
+    Q_PROPERTY(QColor windowColor READ windowColor NOTIFY themeChanged FINAL)
+    Q_PROPERTY(QColor windowTextColor READ windowTextColor NOTIFY themeChanged FINAL)
+    Q_PROPERTY(QColor buttonColor READ buttonColor NOTIFY themeChanged FINAL)
+    Q_PROPERTY(QColor buttonTextColor READ buttonTextColor NOTIFY themeChanged FINAL)
+    Q_PROPERTY(QColor toolBarColor READ toolBarColor NOTIFY themeChanged FINAL)
+    Q_PROPERTY(QColor popupColor READ popupColor NOTIFY themeChanged FINAL)
+    Q_PROPERTY(QColor popupBorderColor READ popupBorderColor NOTIFY themeChanged FINAL)
+    Q_PROPERTY(QColor backgroundDimColor READ backgroundDimColor NOTIFY themeChanged FINAL)
+
+    QML_ELEMENT
+    QML_ATTACHED(MyStyle)
+    QML_UNCREATABLE("")
+    QML_ADDED_IN_VERSION(1, 0)
+
+public:
+    enum Theme {
+        Light,
+        Dark
+    };
+
+    Q_ENUM(Theme)
+
+    explicit MyStyle(QObject *parent = nullptr);
+
+    static MyStyle *qmlAttachedProperties(QObject *object);
+
+    Theme theme() const;
+    void setTheme(Theme theme);
+    void inheritTheme(Theme theme);
+    void propagateTheme();
+    void resetTheme();
+    void themeChange();
+
+    QColor windowColor() const;
+    QColor windowTextColor() const;
+    QColor buttonColor() const;
+    QColor buttonTextColor() const;
+    QColor toolBarColor() const;
+    QColor popupColor() const;
+    QColor popupBorderColor() const;
+    QColor backgroundDimColor() const;
+
+Q_SIGNALS:
+    void themeChanged();
+
+protected:
+    void attachedParentChange(QQuickAttachedPropertyPropagator *newParent, QQuickAttachedPropertyPropagator *oldParent) override;
+
+private:
+    // Whether a color value was explicitly set on the specific object that this attached style object represents.
+    bool m_explicitTheme = false;
+    // The actual values for this item, whether explicit, inherited or globally set.
+    Theme m_theme = Light;
+};
+
+#endif // MYSTYLE_H