Opc.Ua.Bindings.ArraySegmentStream.Seek C# (CSharp) Method

        public override long Seek(long offset, SeekOrigin origin)
        {
            switch (origin)
            {
                case SeekOrigin.Begin:
                {
                    break;
                }

                case SeekOrigin.Current:
                {
                    offset += GetAbsolutePosition();
                    break;
                }

                case SeekOrigin.End:
                {
                    offset += GetAbsoluteLength();
                    break;
                }
            }

            if (offset < 0)
            {
                throw new IOException("Cannot seek beyond the beginning of the stream.");
            }

            int position = (int)offset;
            
            for (int ii = 0; ii < m_buffers.Count; ii++)
            {
                int length = GetBufferCount(ii);

                if (offset <= length)
                {
                    SetCurrentBuffer(ii);
                    m_currentPosition = (int)offset;
                    return position;
                }

                offset -= length;
            }
            
            throw new IOException("Cannot seek beyond the end of the stream.");
        }