public bool CanMoveDown(CommentsCollection _collection)
{
int index = AvailableCollections.IndexOf(_collection);
return((index != -1) && (index != AvailableCollections.Count - 1));
}
public bool CanMoveUp(CommentsCollection _collection)
{
int index = AvailableCollections.IndexOf(_collection);
return(index > 0);
}