can't connect client to server

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

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {


        IPEndPoint ServerIPE;
        IPAddress ServerIP;
        int ServerPort;
        Thread ListenThread;
        String remoteIP;
        String remotePort;
        
        TcpClient strr;

        private TcpListener TcpSer;
      
        private TcpClient TcpCli;


        delegate void RecieveMsgDel(string msg, TcpClient Client);
        RecieveMsgDel rMsgDel;
    
        
        private ArrayList client = new ArrayList();
        private ArrayList thrdArry = new ArrayList();

        public delegate void ChangedEventHandler(object sender, EventArgs e);
        public event ChangedEventHandler Changed;
        public delegate void SetListBoxItem(String str, String type);



        public Form1()
        {
            InitializeComponent();

            Changed += new ChangedEventHandler(ClientAdded);

            TreeNode node;
            node = treeView1.Nodes.Add("Connected Clients");
               
        }


        class MyEventArgs : EventArgs
        {
            private TcpClient sock;
            public TcpClient clientSock
            {
                get { return sock; }
                set { sock = value; }
            }

            public MyEventArgs(TcpClient tcpClient)
            {
                sock = tcpClient;
            }


        }


        public void NewClient(Object obj)
        {
            ClientAdded(this, new MyEventArgs((TcpClient)obj));
        }


        public void ClientAdded(object sender, EventArgs e)
        {
            TcpCli = ((MyEventArgs)e).clientSock;
            remoteIP = ((IPEndPoint)TcpCli.Client.RemoteEndPoint).Address.ToString();
            remotePort = ((IPEndPoint)TcpCli.Client.RemoteEndPoint).Port.ToString();

            strr = new TcpClient(remoteIP,int.Parse(remotePort))  ;
            // Call Delegate Function to update Tree View
            UpdateClientList(remoteIP + " : " + remotePort, "Add");
            


            thrdArry.Add(Thread.CurrentThread);

            if(true)
            {
            Thread clientThread = new Thread(new ParameterizedThreadStart(RemotClient));
            clientThread.Start(); 
            }

        }



        private void RemotClient(object client)
        {
            if (client.Equals(strr))
            {
                //remote client object from RemoteClient class 
                RemoteClient remote = new RemoteClient();

                //client.Equals(str);
                // error follow
                remote.SendByte(TcpCli.Client,strr);

            }
            
        }


        private void UpdateClientList(string str, string type)
        {
            // InvokeRequired required compares the thread I
            { }
            // calling thread to the thread ID of the creating thread.
            // If these threads are different, it returns true.
            if (this.treeView1.InvokeRequired)
            {
                SetListBoxItem d = new SetListBoxItem(UpdateClientList);
                this.Invoke(d, new object[] { str, type });
            }
            else
            {
                // If type is Add, the add Client info in Tree View
                if (type.Equals("Add"))
                {
                    client.Add(str);
                    this.treeView1.Nodes[0].Nodes.Add(str);
                }
                // Else delete Client information from Tree View
                else
                {
                    foreach (TreeNode n in this.treeView1.Nodes[0].Nodes)
                    {
                        if (n.Text.Equals(str))
                        {
                            this.treeView1.Nodes.Remove(n);
                            client.Remove(str);
                        }

                    }
                }

            }
        }


        public void StopServer()
        {

            if (TcpSer != null)
            {

                // Close all Socket connection
                //foreach (ChatDialog c in frmArry)
                //{
                //    c.connectedClient.Client.Close();
                //}

                // Abort All Running Threads
                foreach (Thread t in thrdArry)
                {
                    t.Abort();
                }

                // Clear all ArrayList
                //thrdArry.Clear();
                client.Clear();
                treeView1.Nodes[0].Nodes.Clear();

                // Abort Listening Thread and Stop listening
                ListenThread.Abort();
                TcpSer.Stop();
            }
            Port.Enabled = true;
        }





        private void Form1_FormClosing(Object sender, FormClosingEventArgs e)
        {
            StopServer();

        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {

            ServerIP = IPAddress.Parse("127.1.1.1");
            ServerPort = int.Parse(Port.Text);
            ServerIPE = new IPEndPoint(ServerIP, ServerPort);
            TcpSer = new TcpListener(ServerIPE);
            ListenThread = new Thread(new ThreadStart(ListenForClients));
            ListenThread.Start();
            ConnBotn.Enabled = false;


        }



         private void ListenForClients()
        {
            IPAddress localAddr = IPAddress.Parse("127.0.0.1");

            TcpSer = new TcpListener(localAddr, Int32.Parse(Port.Text));
            TcpSer.Start();

            
                // Keep on accepting Client Connection
                while (true)
                {

                    // New Client connected, call Event to handle it.
                    Thread t = new Thread(new ParameterizedThreadStart(NewClient));

                    TcpCli = TcpSer.AcceptTcpClient();
                    t.Start(TcpCli);

                }


                

            
        }