public static bool Connect(string IPAddress, int Port , int WaitSeconds){

          TcpClient TcpScan = new TcpClient();
            try{
                bool ConnectSuccess = false;
                TcpScan.BeginConnect(IPAddress, Port, null, null);
                for (int i = 0; i <= WaitSeconds; i++) {
                     System.Threading.Thread.Sleep(10);
                     if (TcpScan.Connected){
                         ConnectSuccess = true;
                     break;
                     }
                }

           InitializeComponent();
          }

     private void btnScanPort_Click(object sender, EventArgs e){

     protected void SaveFile(string fileName)
     {
        try {
        Stream stream = File.OpenWrite(fileName);
        using(StreamWriter writer=new StreamWriter(stream))
        {
          writer.Write(txtLog.Text);
        }
       }

   private void btnClear_Click(object sender, EventArgs e){
       txtLog.Text = "";
       btnSave.Enabled = false;
    }
   }
}