|
public static GetSubnetMask ( this address ) : |
||
| address | this | |
| return | ||
public static IPAddress GetSubnetMask(this IPAddress address) {
foreach (var addressInformation in from networkInterface in NetworkInterfaces
from addressInformation in networkInterface.GetIPProperties().UnicastAddresses
where addressInformation.Address.AddressFamily == AddressFamily.InterNetwork &&
address.Equals(addressInformation.Address)
select addressInformation) {
return addressInformation.IPv4Mask;
}
throw new Exception($"Can’t find subnetmask for IP address '{address}'");
}
}