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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 __com_sun_star_sheet_XVolatileResult_idl__
+#define __com_sun_star_sheet_XVolatileResult_idl__
+
+#ifndef __com_sun_star_uno_XInterface_idl__
+#include <com/sun/star/uno/XInterface.idl>
+#endif
+
+#ifndef __com_sun_star_sheet_XResultListener_idl__
+#include <com/sun/star/sheet/XResultListener.idl>
+#endif
+
+//=============================================================================
+
+module com {  module sun {  module star {  module sheet {
+
+//=============================================================================
+
+/** provides methods to handle a volatile function result.
+
+    @see com::sun::star::sheet::VolatileResult
+    @see com::sun::star::sheet::ResultEvent
+ */
+published interface XVolatileResult: com::sun::star::uno::XInterface
+{
+    //-------------------------------------------------------------------------
+
+    /** adds a listener to be notified when a new value is available.
+     */
+    [oneway] void addResultListener(
+            [in] com::sun::star::sheet::XResultListener aListener );
+
+    //-------------------------------------------------------------------------
+
+    /** removes the specified listener.
+     */
+    [oneway] void removeResultListener(
+            [in] com::sun::star::sheet::XResultListener aListener );
+
+};
+
+//=============================================================================
+
+}; }; }; };
+
+#endif
+