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diff --git a/src/activeqt/control/qaxaggregated.h b/src/activeqt/control/qaxaggregated.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the ActiveQt framework of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QAXAGGREGATED_H
+#define QAXAGGREGATED_H
+
+#include <QtCore/qobject.h>
+
+struct IUnknown;
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(ActiveQt)
+
+#ifndef QT_NO_WIN_ACTIVEQT
+
+struct QUuid;
+
+class QAxAggregated
+{
+    friend class QAxServerBase;
+    friend class QAxClientSite;
+public:
+    virtual long queryInterface(const QUuid &iid, void **iface) = 0;
+
+protected:
+    virtual ~QAxAggregated()
+    {}
+
+    inline IUnknown *controllingUnknown() const
+    { return controlling_unknown; }
+    inline QWidget *widget() const 
+    {
+        return qobject_cast<QWidget*>(the_object);
+    }
+    inline QObject *object() const { return the_object; }
+
+private:
+    IUnknown *controlling_unknown;
+    QObject *the_object;
+};
+
+#define QAXAGG_IUNKNOWN \
+    HRESULT WINAPI QueryInterface(REFIID iid, LPVOID *iface) { \
+    return controllingUnknown()->QueryInterface(iid, iface); } \
+    ULONG WINAPI AddRef() {return controllingUnknown()->AddRef(); } \
+    ULONG WINAPI Release() {return controllingUnknown()->Release(); } \
+
+#endif // QT_NO_WIN_ACTIVEQT
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QAXAGGREGATED_H