diff -r 9dfcaf1038dd -r 250f0dfb7d22 calendarui/editors/inc/calenunifiededitor.h
--- a/calendarui/editors/inc/calenunifiededitor.h	Thu Oct 28 13:23:18 2010 +0100
+++ b/calendarui/editors/inc/calenunifiededitor.h	Tue Nov 02 13:45:40 2010 +0200
@@ -665,6 +665,12 @@
          
          static TInt AsyncProcessCommandL(TAny* aThisPtr); 
          
+         /**
+          * @brief Tries to toggle on/off field
+          * @param aControlId The id of the field to toggle
+          * @return Indicates whether or not the field has been handled
+          */
+         TBool TryToggleOnOffL( TInt aControlId );
         
     private:
         /**