private static int localPort = 6000 ;
	private static UdpClient receivingUdpClient = new UdpClient(localPort);
	private static IPEndPoint RemoteIpEndPoint = null ;
	private static FileStream fs;
	private static byte[] receiveBytes = new byte[0]; 
 
 
	public static void ReceiveFile()
 
	{
			try
			{
 
	// Receive file
	receiveBytes = receivingUdpClient.Receive(ref RemoteIpEndPoint);	i++;
	fs = new FileStream(@"E:\recd files\temp"+i+"."+"txt", FileMode.Create,
	FileAccess.ReadWrite, FileShare.ReadWrite);
	fs.Write(receiveBytes, 0, receiveBytes.Length);
	Process.Start(fs.Name);
			}
			catch (Exception e)
			{
				//Console.WriteLine(e.ToString ());
			}
			finally
			{
				fs.Close();
			}
		}
 
protected override void OnStart(string[] args)
{
 
     ReceiveFile();
 
}