ArcGISPortalViewer.Model.FavoritesService.DeleteFavoritesList C# (CSharp) Method

        public bool DeleteFavoritesList()
        {
            ApplicationDataContainer roamingSettings = ApplicationData.Current.RoamingSettings;
            if (roamingSettings.Values["FavoritesList"] != null)
                return roamingSettings.Values.Remove("FavoritesList");
            return false;
        }