diff -r 0aa5fbdfbc30 -r 3d340a0166ff uifw/AvKon/aknhlist/src/akntreelist.cpp
--- a/uifw/AvKon/aknhlist/src/akntreelist.cpp	Tue Apr 27 16:55:05 2010 +0300
+++ b/uifw/AvKon/aknhlist/src/akntreelist.cpp	Tue May 11 16:27:42 2010 +0300
@@ -664,6 +664,17 @@
 
 
 // ---------------------------------------------------------------------------
+// CAknTreeList::SetMarkingModeObserver
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAknTreeList::SetMarkingModeObserver( 
+        MAknMarkingModeObserver* aObserver )
+    {
+    iMarkingModeObserver = aObserver;
+    }
+
+
+// ---------------------------------------------------------------------------
 // Handles key events by mediating them to the view.
 // ---------------------------------------------------------------------------
 //
@@ -924,6 +935,16 @@
 
 
 // ---------------------------------------------------------------------------
+// Marking mode observer
+// ---------------------------------------------------------------------------
+//
+MAknMarkingModeObserver* CAknTreeList::MarkingModeObserver()
+    {
+    return iMarkingModeObserver;
+    }
+
+
+// ---------------------------------------------------------------------------
 // Does nothing, the draw request is mediated to the view through component
 // control structure.
 // ---------------------------------------------------------------------------