System.Net.Cache.SingleItemRequestCache.ReadOnlyStream.Seek C# (CSharp) Méthode

            public override long Seek(long offset, SeekOrigin origin)
            {
                switch (origin)
                {
                case SeekOrigin.Begin:
                        return Position = offset;
                case SeekOrigin.Current:
                        return Position += offset;
                    /// <include file='doc\SeekOrigin.uex' path='docs/doc[@for="SeekOrigin.End"]/*' />
                case SeekOrigin.End:  return Position = _Bytes.Length-offset;
                default:
                    throw new ArgumentException(SR.GetString(SR.net_invalid_enum, "SeekOrigin"), "origin");
                }
            }