private void GotoReplyImpl()
{
if (ReplyData != null)
ReplyData = null;
else
ReplyData = new ReplyViewModel(_baconProvider, _comment, new RelayCommand(() => ReplyData = null),
(madeComment) => _replies.Add(new CommentViewModel(_baconProvider, madeComment, _linkId, !OddNesting, Depth + 1)));
}