public override bool OnOptionsItemSelected(IMenuItem item) { int id = item.ItemId; if (id == Resource.Id.deleteItems) { toolbar.Menu.FindItem(Resource.Id.deleteItems).SetVisible(false); toolbar.Menu.FindItem(Resource.Id.cancelDeletingItems).SetVisible(false); deletingItems = false; SQLiteDb.DeleteWorks(worksToDelete); worksList = SQLiteDb.GetWorks(); UpdateAdapter(); return(true); } if (id == Resource.Id.cancelDeletingItems) { toolbar.Menu.FindItem(Resource.Id.deleteItems).SetVisible(false); toolbar.Menu.FindItem(Resource.Id.cancelDeletingItems).SetVisible(false); UpdateAdapter(); deletingItems = false; return(true); } return(base.OnOptionsItemSelected(item)); }