Need help for Ping Software

private void button1_Click(object sender, EventArgs e)

{

Ping myPing = new Ping();

PingReply reply = myPing.Send(textBox1.Text, 1000);

textBox9.Text = "REPLY FORM :- " + reply.Address + " BYTES :- " + reply.Buffer.Length + " Time :- " + reply.RoundtripTime + " TTL :- " + reply.Options.Ttl;

}