System.IO.Pipes.NamedPipeServerStream.Disconnect C# (CSharp) Méthode

        public void Disconnect() { }
        ~NamedPipeServerStream() { }

        private async void StartInternal(CancellationToken cancellationToken)
        {
            byte[] buffer = new byte[256];
            var commandBuilder = new StringBuilder();

            var serverStream = new NamedPipeServerStream(this.PipeName, PipeDirection.InOut, NamedPipeServerStream.MaxAllowedServerInstances, PipeTransmissionMode.Message, PipeOptions.Asynchronous, 0, 0);

            using (cancellationToken.Register(() => serverStream.Close()))
            {
                while (!cancellationToken.IsCancellationRequested)
                {
                    await Task.Factory.FromAsync(serverStream.BeginWaitForConnection, serverStream.EndWaitForConnection, TaskCreationOptions.None);

                    int read = await serverStream.ReadAsync(buffer, 0, buffer.Length);
                    commandBuilder.Append(Encoding.ASCII.GetString(buffer, 0, read));

                    while (!serverStream.IsMessageComplete)
                    {
                        read = serverStream.Read(buffer, 0, buffer.Length);
                        commandBuilder.Append(Encoding.ASCII.GetString(buffer, 0, read));
                    }

                    var response = this.HandleReceivedCommand(commandBuilder.ToString());
                    var responseBytes = Encoding.ASCII.GetBytes(response);
                    serverStream.Write(responseBytes, 0, responseBytes.Length);

                    serverStream.WaitForPipeDrain();
                    serverStream.Disconnect();

                    commandBuilder.Clear();
                }
            }
        }