public void Check(string Name, ref Label l)
{
try
{
string ris = ArpHelper.FindIpAddressByMacAddress(Name);
Ping pinger = new Ping();
if (ris != null)
{
if (pinger.Send(ris).Status == IPStatus.Success)
{
l.Text = "On--> " + ris;
l.ForeColor = Color.DarkGreen;
}
else
{
l.Text = "Offline";
l.ForeColor = Color.Orange;
}
}
else
{
l.Text = "Offline";
l.ForeColor = Color.Orange;
}
}
catch (Exception e)
{
l.Text = "Errore: " + e.Message;
l.ForeColor = Color.DarkRed;
}
}
public static string FindIpAddressByMacAddress(string macAddress)
{
List <ArpEntity> arpEntities = new ArpHelper().GetArpResult();
return(arpEntities.FirstOrDefault(a => a.MacAddress == macAddress)?.Ip);
}