public override bool OnCreateOptionsMenu(Com.Actionbarsherlock.View.IMenu menu) { menu.Clear(); Com.Actionbarsherlock.View.MenuInflater inflater = SupportMenuInflater; if (postsViewModel.contextualSelection) { inflater.Inflate(Resource.Menu.action_bar_selected, menu); setActionBarSelected(); } else { inflater.Inflate(Resource.Menu.options_menu_action, menu); setActionBarIdle(); } return true; }