private void Button_Click(object sender, RoutedEventArgs e)
{
IPv4Address ip = null;
if (lastArp != null)
{
arpAnswers.Items.Clear();
}
try
{
ip = new IPv4Address(ipToResolve.Text);
lastArp = ip;
if (IPv4Address.IsInSameSubnet(Client.Configuration.IpAddress, ip, Client.Configuration.SubnetMask))
{
Client.Arp.SendArpResolutionPacket(ip);
}
else
{
Client.Arp.SendArpResolutionPacket(Client.Configuration.DefaultGateway);
}
}
catch
{
MessageBox.Show("\"" + ipToResolve.Text + "\" is not a valid IP address.");
}
}
void Arp_ArpReplyReceived(IPv4Address ip, MacAddress mac)
{
IPv4Address myip = null;
string myText = "";
this.Dispatcher.Invoke(() =>
{
myText = ipToResolve.Text;
});
try
{
myip = new IPv4Address(myText);
if (ip.AsString == myip.AsString || !IPv4Address.IsInSameSubnet(myip, ip, Client.Configuration.SubnetMask))
{
this.Dispatcher.Invoke(() =>
{
arpAnswers.Items.Add(mac.ToString());
});
}
}
catch
{ }
}