protected ushort Header; // 2-byte / unsigned 16 bit


        public CompressedChunkHeader(XlBinaryReader Data)
        {
            // Algorithm as per page 60
            var Header = Data.ReadUInt16();

            Console.WriteLine("CompressionChunkHeader Data Bytes: {0}  (uint16: {1})", Header.ToBitString(), Header);
            SetFrom(Header);


            Validate();
        }
 public CopyToken(XlBinaryReader Data)
 {
     this.Token = Data.ReadUInt16();
 }