public void AddCodexPage(int id, BioCodexPage codexPage = null)
        {
            if (CodexPages == null)
            {
                CodexPages = InitCollection <KeyValuePair <int, BioCodexPage> >();
            }

            if (id < 0)
            {
                return;
            }

            var codexPagePair = new KeyValuePair <int, BioCodexPage>(id, codexPage ?? new BioCodexPage());

            CodexPages.Add(codexPagePair);

            SelectedCodexPage = codexPagePair;
        }
		public BioCodexPage(BioCodexPage other)
			: base(other)
		{
			Section = other.Section;
		}
 public BioCodexPage(BioCodexPage other)
     : base(other)
 {
     Section = other.Section;
 }