--- a/uifw/AvKon/aknhlist/inc/akntreelistview.h	Tue Sep 14 21:48:24 2010 +0300
+++ b/uifw/AvKon/aknhlist/inc/akntreelistview.h	Wed Sep 15 12:29:17 2010 +0300
@@ -930,6 +930,14 @@
      */    
     TBool HasMarkedItemsL() const;
     
+    /**
+     * Turns the marking mode on / off.
+     *
+     * @param  aEnable @c ETrue to turn marking mode on
+     *                 @c EFalse to turn marking mode off
+     */
+    void SetMarkingMode( TBool aEnable );
+
 // From MAknCollection
     /**
      * Returns the collection state. The state is combination of