diff -r e1b950c65cb4 -r 837f303aceeb epoc32/include/app/MVPbkObjectHierarchy.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/app/MVPbkObjectHierarchy.h	Wed Mar 31 12:33:34 2010 +0100
@@ -0,0 +1,75 @@
+/*
+* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  An interface for objects that belongs to object hierarchy
+*
+*/
+
+
+#ifndef MVPBKOBJECTHIERARCHY_H
+#define MVPBKOBJECTHIERARCHY_H
+
+
+// INCLUDES
+#include <e32cmn.h>
+
+// FORWARD DECLARATIONS
+class MVPbkContactStore;
+
+
+// CLASS DECLARATIONS
+
+/**
+ * An interface for objects that belongs to object hierarchy.
+ *
+ * The interface can be used to get the store from an object that
+ * belongs to the hierarchy.
+ */
+class MVPbkObjectHierarchy
+    {
+    public:  // Destructor
+        virtual ~MVPbkObjectHierarchy() { }
+
+    public:  // New functions
+        /**
+         * Returns the parent object of this object. For the root of the 
+         * hierarchy returns self.
+         * @return The parent object.
+         */
+        virtual MVPbkObjectHierarchy& ParentObject() const = 0;
+
+        /**
+         * Returns the contact store where this object originates from.
+         * @return The Contact store.
+         */
+        virtual MVPbkContactStore& ContactStore() const 
+            {
+            return ParentObject().ContactStore();
+            }
+
+        /**
+         * Returns an extension point for this interface or NULL.
+         *
+         * @param aExtensionUid no extensions defined currently.
+         * @return An extension point for this interface or NULL.
+         */
+        virtual TAny* ObjectHierarchyExtension(TUid /*aExtensionUid*/) 
+                { return NULL; }
+    };
+
+
+#endif  // MVPBKOBJECTHIERARCHY_H
+
+//End of file
+
+