System.IO.Stream.SetLength C# (CSharp) Méthode

        public abstract void SetLength(long value);

        public void CopyTo(Stream stream)
        {
            // If the target stream allows seeking set its length upfront.
            // When writing to a large file, it helps to give a hint to the OS how big the file is going to be.
            if (stream.CanSeek)
            {
                stream.SetLength(stream.Position + _length);
            }

            int chunkIndex = 0;
            for (int remainingBytes = _length; remainingBytes > 0;)
            {
                int bytesToCopy = Math.Min(ChunkSize, remainingBytes);
                if (chunkIndex < _chunks.Count)
                {
                    stream.Write(_chunks[chunkIndex++], 0, bytesToCopy);
                }
                else
                {
                    // Fill remaining space with zero bytes
                    for (int i = 0; i < bytesToCopy; i++)
                    {
                        stream.WriteByte(0);
                    }
                }

                remainingBytes -= bytesToCopy;
            }
        }