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

        public abstract void Flush();

        /// <summary>
        /// // TODO
        /// </summary>
        /// <param name="stream"></param>
        /// <param name="data"></param>
        /// <param name="statusCode"></param>
        /// <param name="headers"></param>
        /// <param name="closeConnection">we don’t currently support persistent connection via Http1.1 so closeConnection:true</param>
        /// <returns></returns>
        public static int SendResponse(Stream stream, byte[] data, int statusCode, IDictionary<string,string[]> headers = null, bool closeConnection = true)
        {
            string initialLine = "HTTP/1.1 " + statusCode + " " + StatusCode.GetReasonPhrase(statusCode) + "\r\n";
            string headersPack = initialLine;

            if (headers == null)
                headers = new Dictionary<string,string[]>(StringComparer.OrdinalIgnoreCase);

            if (!headers.ContainsKey("Connection") && closeConnection)
            {
                headers.Add("Connection", new[] { "Close" });
            }

            if (!headers.ContainsKey("Content-Length"))
            {
                headers.Add("Content-Length", new [] { Convert.ToString(data.Length) });
            }

            headersPack = headers.Aggregate(headersPack, (current, header) => current + (header.Key + ": " + String.Join(",", header.Value) + "\r\n")) + "\r\n";

            int sent = stream.Write(Encoding.UTF8.GetBytes(headersPack));
            //Send headers and body separately
            //TODO It's needed for our client. Think out a way to avoid separate sending.
            stream.Flush();

            if (data.Length > 0)
                sent += stream.Write(data);

            Thread.Sleep(200);

            stream.Flush();
            return sent;
        }