Amazon.Runtime.Internal.Util.PartialWrapperStream.Seek C# (CSharp) Метод

        public override long Seek(long offset, SeekOrigin origin)
        {
            long position = 0;
            switch (origin)
            {
                case SeekOrigin.Begin:
                    position = this.initialPosition + offset;
                    break;
                case SeekOrigin.Current:
                    position = base.Position + offset;
                    break;
                case SeekOrigin.End:
                    position = base.Position + this.partSize + offset;
                    break;
            }

            if (position < this.initialPosition)
            {
                position = this.initialPosition;
            }
            else if (position > this.initialPosition + this.partSize)
            {
                position = this.initialPosition + this.partSize;
            }

            base.Position = position;

            return this.Position;
        }