System.Net.Dns.Dns.hostent_to_IPHostEntry C# (CSharp) Method

		private static IPHostEntry hostent_to_IPHostEntry(string h_name, string[] h_aliases, string[] h_addrlist) 
		{
			IPHostEntry he = new IPHostEntry();
			ArrayList addrlist = new ArrayList();

			he.HostName = h_name;
			he.Aliases = h_aliases;
			for(int i=0; i<h_addrlist.Length; i++) {
				try {
					IPAddress newAddress = IPAddress.Parse(h_addrlist[i]);

					if( (Socket.SupportsIPv6 && newAddress.AddressFamily == AddressFamily.InterNetworkV6) ||
					    (Socket.SupportsIPv4 && newAddress.AddressFamily == AddressFamily.InterNetwork) )
						addrlist.Add(newAddress);
				} catch (ArgumentNullException) {
					/* Ignore this, as the
					 * internal call might have
					 * left some blank entries at
					 * the end of the array
					 */
				}
			}

			if(addrlist.Count == 0)
				throw new SocketException(11001);

			he.AddressList = addrlist.ToArray(typeof(IPAddress)) as IPAddress[];
			return he;
		}