Sockets Class, Windows Forms.

 
                    case DialogResult.Yes:
 
                        // "Yes" processing
                        IPAddress ia = IPAddress.Parse(ipAddress);
                        IPEndPoint ie = new IPEndPoint(ia, 5555);
 
Socket sock1 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
 
                        try
                        {
                            sock1.Connect(ie);
                        }
 
                        catch (SocketException e)
                        {
                            string error = e.ToString();
                            MessageBox.Show(error, "Problem connecting to host!",
                                            MessageBoxButtons.OK, MessageBoxIcon.Warning);
                            sock1.Shutdown(SocketShutdown.Both);
                            sock1.Close();
                            return; 
                        }
 
                        try
                        {
                            string fMessage = "OUTPut:SQUelch ON";
                            Encoding ASCII = Encoding.ASCII;
                            Byte[] ByteGet = ASCII.GetBytes(fMessage);
                            sock1.Send(ByteGet, ByteGet.Length, 0);
 
 
 
                            MessageBox.Show("Did Squelch change?", "Check.",
                            MessageBoxButtons.OK, MessageBoxIcon.Warning);
 
                            sock1.Shutdown(SocketShutdown.Both);
                            sock1.Close();
                                                        
                        }
                        catch (SocketException e)
                        {
                            string error = e.ToString();
                            MessageBox.Show(error, "Problem communicating to host!",
                                            MessageBoxButtons.OK, MessageBoxIcon.Warning);
                            sock1.Shutdown(SocketShutdown.Both);
                            sock1.Close();
                            return;
                        }
 
                        break;