// the order is important, if we want to support bitwise OR: IPv4 | IPv6 equals IPv4and6
enum IpVersion
{
    None,
    IPv4,
    IPv6,
    IPv4and6
}

IpVersion GetConfiguredProtocolVersions(ConnectionProfile profile)
{
    var result = IpVersion.None;

    if (profile != null && profile.NetworkAdapter != null)
    {
        var hostnames = NetworkInformation
                         .GetHostNames()
                         .Where(h => h.IPInformation != null &&
                                h.IPInformation.NetworkAdapter != null &&
                                h.IPInformation.NetworkAdapter.NetworkAdapterId == profile.NetworkAdapter.NetworkAdapterId);

        foreach (var hostname in hostnames)
        {
            if (hostname.Type == HostNameType.Ipv4)
            {
                result |= IpVersion.IPv4;
            }
            else if (hostname.Type == HostNameType.Ipv6)
            {
                result |= IpVersion.IPv6;
            }
        }
    }

    return result;
}


// USAGE: GetConfiguredProtocolVersions(NetworkInformation.GetInternetConnectionProfile());