// TODO: write a generic method for each Primitive type, in order to avoid boxing to object.
		internal Object ReadPrimitiveObjectFromBinaryStream(FileTools.BinaryReader2 binaryReader, L3TypeManager typeManager, bool CompressIntsAs7Bits)
		{
			TypeCode tc = (TypeCode)typeManager.TypeIndex;
#if DEBUG
			if ((int)tc < (int)TypeCode.Boolean)
				throw new ArgumentException("data is not a Primitive type");
#endif
			switch (tc)
			{
				case TypeCode.Boolean:
					return binaryReader.ReadBoolean();
				case TypeCode.Byte:
					return binaryReader.ReadByte();
				case TypeCode.Char:
					return binaryReader.ReadChar();
				case TypeCode.DateTime:
					return new DateTime(binaryReader.ReadInt64());
				case TypeCode.Decimal:
					return binaryReader.ReadDecimal();
				case TypeCode.Double:
					return binaryReader.ReadDouble();
				case TypeCode.SByte:
					return binaryReader.ReadSByte();
				case TypeCode.Single:
					return binaryReader.ReadSingle();
				case TypeCode.String:
					return binaryReader.ReadString();

				case TypeCode.Int16:
					if (CompressIntsAs7Bits)
						return binaryReader.ReadSpecial7BitEncodedShort();
					else
						return binaryReader.ReadInt16();
				case TypeCode.Int32:
					if (CompressIntsAs7Bits)
						return binaryReader.ReadSpecial7BitEncodedInt();
					else
						return binaryReader.ReadInt32();
				case TypeCode.Int64:
					if (CompressIntsAs7Bits)
						return binaryReader.ReadSpecial7BitEncodedLong();
					else
						return binaryReader.ReadInt64();
				case TypeCode.UInt16:
					if (CompressIntsAs7Bits)
						return binaryReader.Read7BitEncodedUShort();
					else
						return binaryReader.ReadUInt16();
				case TypeCode.UInt32:
					if (CompressIntsAs7Bits)
						return binaryReader.Read7BitEncodedUInt();
					else
						return binaryReader.ReadUInt32();
				case TypeCode.UInt64:
					if (CompressIntsAs7Bits)
						return binaryReader.Read7BitEncodedULong();
					else
						return binaryReader.ReadUInt64();

				default:
#if DEBUG
					throw new Exception();
#else
					return null;
#endif
			}
		}