public IPublishedContent GetPreviousPost(IPublishedContent current)
{
IEnumerable <IPublishedContent> posts = this.GetPosts(current);
IPublishedContent next = USNPostService.GetNext(posts.Reverse <IPublishedContent>(), current);
IPublishedContent node = next;
return(node);
}
static USNPostService()
{
USNPostService.m_Instance = new USNPostService();
USNPostService.syncRoot = new object();
}