Encapsulates interacting with a record that is a group of other records.
Inheritance: Rec
		/// <summary>
		/// The copy constructor.
		/// </summary>
		/// <param name="gr">The group record to copy.</param>
		private GroupRecord(GroupRecord gr)
		{
			Name = "GRUP";
			data = (byte[])gr.data.Clone();
			groupType = gr.groupType;
			dateStamp = gr.dateStamp;
			flags = gr.flags;
			Records = new List<Rec>(gr.Records.Count);
			for (int i = 0; i < gr.Records.Count; i++) Records.Add((Rec)gr.Records[i].Clone());
			Name = gr.Name;
			descriptiveName = gr.descriptiveName;
		}
		/// <summary>
		/// A simple constructor that initializes the object with the given values.
		/// </summary>
		/// <param name="Size">The size of the groop record.</param>
		/// <param name="br">The reader caontaining the group record data.</param>
		/// <param name="Oblivion">Whether the record is in Oblivion format.</param>
		internal GroupRecord(uint Size, BinaryReader br, bool Oblivion)
		{
			Name = "GRUP";
			data = br.ReadBytes(4);
			groupType = br.ReadUInt32();
			dateStamp = br.ReadUInt32();
			if (!Oblivion) flags = br.ReadUInt32();
			uint AmountRead = 0;
			while (AmountRead < Size - (Oblivion ? 20 : 24))
			{
				string s = TesPlugin.ReadRecName(br);
				uint recsize = br.ReadUInt32();
				if (s == "GRUP")
				{
					GroupRecord gr = new GroupRecord(recsize, br, Oblivion);
					AmountRead += recsize;
					Records.Add(gr);
				}
				else
				{
					Record r = new Record(s, recsize, br, Oblivion);
					AmountRead += (uint)(recsize + (Oblivion ? 20 : 24));
					Records.Add(r);
				}
			}
			if (AmountRead > (Size - (Oblivion ? 20 : 24)))
			{
				throw new TESParserException("Record block did not match the size specified in the group header");
			}
			if (groupType == 0)
			{
				descriptiveName = " (" + (char)data[0] + (char)data[1] + (char)data[2] + (char)data[3] + ")";
			}
		}