Programalama > C#

using System;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;

/*#####################################################################*/

class IrcBot
{

	public static string SERVER		= "irc.e-kolay.net";
	private static int PORT			= 6667;
	private static string USER		= "USER cSharp 8 * : bOt";
	private static string NICK		= "cXc";
	private static string ALTNICK	= "cYc";
	private static string PING		= "PING :";
	private static string CHANNEL	= "#tr-kanki";
	public static StreamWriter writer;

	static void Main (string[] args)
	{	
		NetworkStream stream;
		TcpClient irc;
		string inputLine;
		StreamReader reader;
		string nickname;
		
		try
		{
			irc = new TcpClient (SERVER, PORT);
			stream = irc.GetStream ();
			reader = new StreamReader (stream);
			writer = new StreamWriter (stream);

			PingSender ping = new PingSender ();
			ping.Start ();
			
			writer.WriteLine (USER);
			writer.Flush ();

			writer.WriteLine ("NICK " + NICK);
			writer.Flush ();

			writer.WriteLine ("JOIN " + CHANNEL);
			writer.Flush ();

			while (true)
			{			
				while ( (inputLine = reader.ReadLine () ) != null )
				{
						string str = inputLine;
						char[] seps = {' '};
						string[] parts = str.Split(seps);
						string Number = parts[1];
						
						if (inputLine.EndsWith("Bu nick Zaten Kullanılıyor"))
						{
							NICK = ALTNICK;
							writer.WriteLine("NICK " + NICK);
						}

						if (Number == "422")
						{
							writer.WriteLine("JOIN :" + CHANNEL);
							writer.Flush();
						}

						if (Number == "MODE")
						{

							if (inputLine.EndsWith(parts[2] + " +o " + NICK))
							{
	          					nickname = inputLine.Substring(1, inputLine.IndexOf ("!") - 1);
								writer.WriteLine("PRIVMSG " + parts[2] + " :" + nickname + " Op icin tesekkurler ?");
							}

						}


						if (Number == "KICK")
						{
							if (parts[3] == NICK)
							{
	          					nickname = inputLine.Substring(1, inputLine.IndexOf ("!") - 1);
								writer.WriteLine ("JOIN " + parts[2]);
							}
						}


          				if (inputLine.EndsWith ("JOIN :" + CHANNEL) )
          				{
          					nickname = inputLine.Substring(1, inputLine.IndexOf ("!") - 1);
        					writer.WriteLine ("NOTICE " + nickname + " :seLam " + nickname + " Kanalımıza Hoşgeldin ");
							Thread.Sleep (100);
          				}

						
						if (parts[0] == "PING")
						{
							writer.WriteLine (PING + IrcBot.SERVER);
						}
				}
				
				writer.Close ();
				reader.Close ();
				irc.Close ();
			}
		}
		catch (Exception e)
		{
			Console.WriteLine (e.ToString () );
			Thread.Sleep (500);
			string[] argv = { };
			Main (argv);
		}
	}
}

class PingSender
{
	static string PING = "PING :";
	private Thread pingSender;
	public PingSender () 
	{
		pingSender = new Thread (new ThreadStart (this.Run) ); 
	}
	public void Start () 
	{ 
		pingSender.Start (); 
	}
	public void Run ()
	{
		while (true)
		{
			IrcBot.writer.WriteLine (PING + IrcBot.SERVER);
			IrcBot.writer.Flush ();
			Thread.Sleep (5000);
		}
	}
}