public class GTKUserBox : UserBox {
		public const string CharacterInformation = @"<yaf:characterinformation\s*/>";
		protected override void Render(HtmlTextWriter output) {
			output.WriteLine(@"<div class=""yafUserBox"" id=""{0}"">".FormatWith(ClientID));

			string userBox = CachedUserBox;
			if (string.IsNullOrEmpty(userBox)) {
				userBox = CreateUserBoxContents();
				// cache...
				CachedUserBox = userBox;
			}

			// output the user box info...
			output.WriteLine(userBox);

			output.WriteLine("</div>");
		}

		protected string CreateUserBoxContents() {
			string userBox = CreateUserBox();

			// Character information
			userBox = MatchUserBoxCharacterInfo(userBox);

			return userBox;
		}

		/// <summary>
		/// 	The match user box character information.
		/// </summary>
		/// <param name="userBox"> The user box. </param>
		/// <returns> String with Character Information string added to UserBox . </returns>
		[NotNull]
		private string MatchUserBoxCharacterInfo([NotNull] string userBox) {
			string filler = string.Empty;
			var rx = GetRegex(CharacterInformation);

			if (!DataRow["IsGuest"].ToType<bool>()) {
				filler = YafUser.GetCharacterInfo(UserId);
			}

			// replaces template placeholder with actual character information
			userBox = rx.Replace(userBox, filler);

			return userBox;
		}
	}
}