BACnet.Tagging.TagReader.ReadSigned64 C# (CSharp) Метод

        public long ReadSigned64(byte tag = 255)
        {
            _ensureTag(tag, ApplicationTag.Signed);
            _ensureLength(1, 8);

            long value = _reader.ReadSByte();
            for(int i = 1; i < _length; i++)
            {
                value <<= 8;
                value |= _reader.ReadByte();
            }
            return value;
        }