ANHTCClient.frmTCClient.button2_Click C# (CSharp) Method

        private void button2_Click(object sender, EventArgs e)
        {
            string s;
            myclient = new TcpClient(host, port);
            //get a Network stream from the server
            networkStream = myclient.GetStream();
            streamReader = new StreamReader(networkStream);
            streamWriter = new StreamWriter(networkStream);
            streamWriter.WriteLine("stop,," + passkey + "");
            label6.Text = "Sending Request";
            streamWriter.Flush();
            s = streamReader.ReadLine();
            streamReader.Close();
            streamWriter.Close();
            networkStream.Close();
            if (s == "success")
            {

                label6.Text = "Stopped SWG:ANH TC";
            }
            if (s == "fail")
            {
                label6.Text = "Failed to Stop SWG:ANH TC";
            }
        }