C #, test whether the network is through

public static bool Ping (string IP)
{
System.Net.NetworkInformation.Ping p = new System.Net.NetworkInformation.Ping ();
System.Net.NetworkInformation.PingOptions options = new System.Net.NetworkInformation.PingOptions ();
Options. Dontfragment = true;
String data = "Test data!";
byte[] buffer = Encoding.ASCII.GetBytes (data);
int timeout = 1000; Timeout time, unit: milliseconds
System.Net.NetworkInformation.PingReply reply = p.send (IP, timeout, buffer, options);
if (reply. Status = = System.Net.NetworkInformation.IPStatus.Success)
{
return true;
}
Else
{
return false;
}
}

C #, test whether the network is through