private async void LoadMoreAction()
{
this.IsLoading = true;
int newPosts = await DataNs.Helpers.EnsureCompletion<int>(_subreddit.Posts.More);
for (int i = _subreddit.Posts.Count - newPosts; i < _subreddit.Posts.Count; i++)
{
_posts.Add(new PostViewModel(_subreddit.Posts[i]));
}
this.IsLoading = false;
}