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diff --git a/chart2/source/inc/ModifyListenerCallBack.hxx b/chart2/source/inc/ModifyListenerCallBack.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef CHART2_MODIFYLISTENERCALLBACK_HXX
+#define CHART2_MODIFYLISTENERCALLBACK_HXX
+
+// header for class Link
+#include <tools/link.hxx>
+#include <com/sun/star/util/XModifyBroadcaster.hpp>
+#include <com/sun/star/util/XModifyListener.hpp>
+#include "charttoolsdllapi.hxx"
+
+namespace chart {
+
+/** Use this class as a member if you want to listen on a XModifyBroadcaster
+without becoming a XModifyListener yourself
+ */
+
+class ModifyListenerCallBack_impl;
+
+class OOO_DLLPUBLIC_CHARTTOOLS ModifyListenerCallBack
+{
+public:
+    explicit ModifyListenerCallBack( const Link& rCallBack );
+
+    virtual ~ModifyListenerCallBack();
+
+    void startListening( const ::com::sun::star::uno::Reference< ::com::sun::star::util::XModifyBroadcaster >& xBroadcaster );
+    SAL_DLLPRIVATE void stopListening();
+
+private: //methods
+    SAL_DLLPRIVATE ModifyListenerCallBack();
+    SAL_DLLPRIVATE ModifyListenerCallBack( const ModifyListenerCallBack& );
+
+private: //member
+    ModifyListenerCallBack_impl* pModifyListener_impl;
+    ::com::sun::star::uno::Reference<
+        ::com::sun::star::util::XModifyListener >   m_xModifyListener;
+};
+
+} // namespace chart
+
+#endif
+