diff -r e1b950c65cb4 -r 837f303aceeb epoc32/include/app/MVPbkContactOperationBase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/app/MVPbkContactOperationBase.h	Wed Mar 31 12:33:34 2010 +0100
@@ -0,0 +1,55 @@
+/*
+* Copyright (c) 2002-2007 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:  Virtual Phonebook base class for asynchronous contact 
+*                operations.
+*
+*/
+
+
+#ifndef MVPBKCONTACTOPERATIONBASE_H
+#define MVPBKCONTACTOPERATIONBASE_H
+
+// INCLUDES
+#include <e32cmn.h>
+
+// CLASS DECLARATIONS
+
+/**
+ * Virtual Phonebook abtract asynchronous contact operation.
+ * This interface is used as a handle to asynchronous contact operations.
+ * Clients should keep a reference to the handle during the asynchronous 
+ * operation to be able to delete and cancel the operation before it
+ * completes.
+ */
+class MVPbkContactOperationBase
+    {
+    public:  // Interface
+        /**
+         * Destructor. Cancels this operation and releases any 
+         * resources held by it.
+         */
+        virtual ~MVPbkContactOperationBase() {}
+
+        /**
+         * Returns an extension point for this interface or NULL.
+         * @param aExtensionUid Uid of extension.
+         * @return Extension point or NULL.
+         */
+        virtual TAny* ContactOperationBaseExtension(
+                TUid /*aExtensionUid*/) { return NULL; }
+    };
+
+#endif // MVPBKCONTACTOPERATIONBASE_H
+
+// End of File