public PostItemViewModel(PostListViewModel parent)
: base(parent.BoardName)
{
this._parent = parent;
this.NavigateLinkCommand = new RelayCommand<Hyperlink>(this.NavigateToLink);
this.ShowRepliesCommand = new RelayCommand(this.ShowReplies);
this.RefersTo = new List<long>();
this.ReferencesFrom = new List<long>();
}