Bombsquad.DynamicMedia.Util.StreamExtensions.CopyTo C# (CSharp) Метод

        public static void CopyTo(this Stream source, Stream target, long offset, long length, int bufferSize = 4096)
        {
            source.Seek( offset, SeekOrigin.Begin );

            var buffer = new byte[bufferSize];
            long totalBytesRead = 0;

            while ( totalBytesRead < length )
            {
                var bytesToRead = (int)Math.Min( bufferSize, length - totalBytesRead );
                totalBytesRead += source.Read( buffer, 0, bytesToRead );
                target.Write( buffer, 0, bytesToRead );
            }

            target.Flush();
        }