Udp connection test : UdpClient : Network C# Examples

    
using  System;
using  System.Text;
using  System.Net;
using  System.Net.Sockets;
using  System.Threading;

class  MainClass
{
        private  static  void  Main()  
        {
                string  IP  =  "127.0.0.1";
                int  port  =  9999;

                IPEndPoint  remoteEndPoint  =    new  IPEndPoint(IPAddress.Parse(IP),  port);

                Thread  receiveThread  =  new  Thread(ReceiveData);
                receiveThread.IsBackground  =  true;
                receiveThread.Start();

                UdpClient  client  =  new  UdpClient();

                try
                {
                        string  text;
                        do
                        {
                                text  =  Console.ReadLine();

                                if  (text.Length  !=  0)
                                {
                                        byte[]  data  =  Encoding.UTF8.GetBytes(text);
                                        client.Send(data,  data.Length,  remoteEndPoint);
                                }
                        }  while  (text.Length  !=  0);
                }
                catch  (Exception  err)
                {
                        Console.WriteLine(err.ToString());
                }
                finally
                {
                        client.Close();
                }
        }

        private  static  void  ReceiveData()  
        {
                UdpClient  client  =  new  UdpClient(999);
                while  (true)  
                {
                        try  
                        {
                                IPEndPoint  anyIP  =  new  IPEndPoint(IPAddress.Any,  0);
                                byte[]  data  =  client.Receive(ref  anyIP);
                                string  text  =  Encoding.UTF8.GetString(data);
                                Console.WriteLine(">>  "  +  text);
                        }  
                        catch  (Exception  err)  
                        {
                                Console.WriteLine(err.ToString());
                        }
                }
        }
}