private async void PingMethod()
{
Task <PingResponse> obj = new Task <PingResponse>(
() => DoTheJob(textBox1.Text)); //lambda izrazom pridruzujemo pripadajucu funkciju Task objektu.
obj.Start(); //osiguravamo da nova nit izvodenja ne barata elementima glavne niti i da ne blokiramo rad aplikacije.
panel1.Visible = true;
await obj; //cekamo asinkrono izvodenje Metode DoTheJob
PingResponse pr = obj.Result;
ipstatus1.Text = pr.Status ? "Available": "Unavailable";
rt1.Text = pr.TripTime.ToString() + " miliseconds";
}
private PingResponse DoTheJob(string ip)
{
Ping isPing = new Ping();
PingResponse pr = new PingResponse(); //instanciramo objekt naseg tipa PingResponse
try {
PingReply reply = isPing.Send(ip); //saljemo ping prema ip-u,rezultat spremamo u objekt tipa PingReply.
pr.Status = reply.Status == IPStatus.Success;
pr.TripTime = reply.RoundtripTime;
return(pr);
}
catch (PingException) //hvatamo iznimku koju eventualno baca isPing.Send
{
pr.Status = false;
pr.TripTime = 0;
return(pr);
}
}