BF2Statistics.Redirector.RebuildDNSCache C# (CSharp) Method

        public static void RebuildDNSCache(CancellationToken CancelToken)
        {
            // Must be hosts file!
            if (RedirectMethod == RedirectMode.DnsServer || !RedirectsEnabled) return;

            // Grab hosts file base
            HostsFile hFile = (RedirectMethod == RedirectMode.HostsFile)
                ? HostsFileSys as HostsFile
                : HostsFileIcs as HostsFile;

            // Rebuild the DNS cache with the hosts file redirects
            foreach (string hostname in hFile.GetLines().Keys)
            {
                // Quit on cancel
                if (CancelToken.IsCancellationRequested) return;

                // Only ping gamespy urls with the hosts ics file
                if (RedirectMethod == RedirectMode.HostsIcsFile && !hostname.Contains("gamespy"))
                    continue;

                // Attempt to ping the server
                try
                {
                    // Clear the record from the DNS cache
                    DnsFlushResolverCacheEntry(hostname);

                    // Ping server to get the IP address in the dns cache
                    Dns.GetHostAddresses(hostname);
                }
                catch
                {
                    continue;
                }
            }
        }