LINQ To Google Image and Google Groups

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using MChen.Linq.GoogleSearch.Common;

namespace MChen.Linq.GoogleSearch.Groups
{
    public class Message : Result
    {
        public string Subject { get; internal set; }

        public string Group {
            get { return Domain; }
        }

        public string InitialAuthor { get; internal set; }

        public DateTime PostDate { get; internal set; }

        public int Rating { get; internal set; }

        public int NumberOfReply { get; internal set; }

        public int NumberOfAuthors { get; internal set; }

        public override string ToString()
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendFormat("{7} --> {0}\n\tRating:         {8}\n\tUrl:            {1}\n\tGroup:           " +
                            "{2}\n\tPostDate:      {3}\n\tInitial Author: {4}\n\t" +
                            "Number of Replies:         {5}\n\tSummary:         {6}",
                Subject,
                Url,
                Group,
                PostDate,
                InitialAuthor,
                NumberOfReply,
                Description,
                Rank,
                Rating);
            return sb.ToString();
        }
    }
}