private void Button_Click(object sender, RoutedEventArgs e)
 {
     disp = display;
     if (ipaddr.Text.Equals(String.Empty) || portNumber.Text.Equals(String.Empty) || clientName.Text.Equals(String.Empty))
     {
         disp.Text = "Please fill all the fields...";
     }
     else
     {
         ClientSocketApplication.RunClient(ipaddr.Text, portNumber.Text, clientName.Text);
         Connect.IsEnabled = false;
     }
     //ipaddr.Visibility = Visibility.Hidden;
 }