TCPClient

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;

namespace TCPClient
{
    class TClient
    {
        static void Main(string[] args)
        {
            String IP;
            String Port;
            String Option;

            Console.Write("Please give IP:      ");
            IP = Console.ReadLine();

            Console.Write("Please give Port:    ");
            Port = Console.ReadLine();
            Console.WriteLine("-------------------------------");

            // Clear Console
            Console.Clear();

            Hereweare:
            Console.WriteLine("\n1) <Chat Mode>  - You just send messages to server");
            Console.WriteLine("2) <Flood Mode> - You spam server with packets");
            Console.Write("\nPlease select Mode: ");
            Option = Console.ReadLine();
            Console.WriteLine("-------------------------------");

            if (Option == "1")
                CMode(IP, Convert.ToInt32(Port));

            else if (Option == "2")
                Flood(IP, Convert.ToInt32(Port));

            else
            {
                Console.WriteLine("Wrong Selection, Please use 1 or 2");
                Console.WriteLine("Console will be clear in 3 seconds");
                Thread.Sleep(3000);

                // Clear Console from old messags
                Console.Clear();

                // Go upp for repeat
                goto Hereweare;
            }
        }

        private static Socket socket;
        private static IPEndPoint Host;
        private static System.Net.Sockets.TcpClient Client;

        public static void CMode(string IP, int Port)
        {
            Console.Clear();

            // Create Socket
            socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            Host = new IPEndPoint(IPAddress.Parse(IP), Port);
            Client = new TcpClient();

            try
            {
                // TCPClient connect to server...
                Console.WriteLine("Connecting...");
                Client.Connect(IPAddress.Parse(IP), Port);
            }
            catch (Exception)
            { Console.WriteLine("Connection To " + IP + " in Port " + Port + " has failed!"); return; }

            Console.WriteLine("Write your message.");
            Console.WriteLine("---------------------------------");

            try
            {
                while (Client.Connected)
                {
                    // Read Message
                    String Message = Console.ReadLine();
                    Stream Stre = Client.GetStream();

                    // Get Time
                    String Date = DateTime.Now.ToString("HH:mm:ss: ");

                    ASCIIEncoding ASCII = new ASCIIEncoding();
                    Byte[] Buff = ASCII.GetBytes(Date + ": " + Message);

                    // Kernel - Sending packets to TARGET
                    Stre.Write(Buff, 0, Buff.Length);
                }
            }
            catch (Exception)
            { Console.WriteLine("Client Disconected"); }

            //Close TCP
            Client.Close();

        }

        public static void Flood(string IP, int Port)
        {
            Console.Clear();

            // Create Socket
            socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            Host = new IPEndPoint(IPAddress.Parse(IP), Port);
            Client = new TcpClient();

            // TCPClient connect to server...
            Console.WriteLine("Connecting...");

            try
            {
                // Socket connect : Flood
                socket.Connect(Host);
            }
            catch (Exception)
            { Console.WriteLine("Socket connection to {0} at Port {1} has failed!",IP,Port); }

            Console.WriteLine("Write your message.");
            Console.WriteLine("---------------------------------");

            String Message = new String('*', 10);

            try
            {
                while (Client.Connected)
                {
                    Stream Stre = Client.GetStream();

                    ASCIIEncoding AEncod = new ASCIIEncoding();
                    Byte[] Buff = AEncod.GetBytes(Message);

                    // Kernel, send message to server.
                    socket.Send(Buff);
                }
            }
            catch (Exception)
            { Console.WriteLine("Socket Disconected"); }

            // Close Socket & TCPCliet
            socket.Close();
            Client.Close();
        }
    }
}