public void InvalidIpLetterSmall()
{
Tracert tr = new Tracert();
tr.Trace("a").First();
}
private void Form1_Load(object sender, EventArgs e)
{
Tracert rt = new Tracert();
foreach (var en in rt.Trace("google.com"))
Console.WriteLine(en);
}
public void InvalidIpLetterCapital()
{
Tracert tr = new Tracert();
tr.Trace("A").First();
}