RedditStoreApp.ViewModels.SubredditViewModel.ChangeSort C# (CSharp) Метод

        private async void ChangeSort(Sort value)
        {
            this.IsLoading = true;
            _posts.Clear();

            Func<Task> func = async () =>
            {
                await _subreddit.Posts.ChangeSort(value);
            };
            await DataNs.Helpers.EnsureCompletion(func);

            foreach (var post in _subreddit.Posts)
            {
                _posts.Add(new PostViewModel(post));
            }

            this.IsLoading = false;
        }