Kód: Vybrať všetko

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;

namespace UDP_TCP_chat
{
	/// <summary>
	/// Description of MainForm.
	/// </summary>
	public partial class MainForm : Form
	{
		public MainForm()
		{
			//
			// The InitializeComponent() call is required for Windows Forms designer support.
			//
			InitializeComponent();
			
			//
			// TODO: Add constructor code after the InitializeComponent() call.
			//
			udpPosielanie();
		}
		public void udpPosielanie()
		{
		UdpClient udp = new UdpClient();
	udp.EnableBroadcast = true;
	    IPEndPoint groupEP = new IPEndPoint(IPAddress.Broadcast, 54319);
	   
		string str4 = "Is anyone out there?";
		byte[] sendBytes4 = Encoding.ASCII.GetBytes(str4);
		udp.Send(sendBytes4, sendBytes4.Length, groupEP);
		
		//receive
		
		IPEndPoint receiveEndPoint = new IPEndPoint(IPAddress.Any, 54319);
		byte[] receiveBytes = udp.Receive( ref receiveEndPoint);
		string returnData = Encoding.ASCII.GetString(receiveBytes);
		System.Diagnostics.Debug.WriteLine(returnData);
	
		}
		}
}