public override void Invoke(AWSCredentials creds, RegionEndpoint region, int maxItems)
        {
            AmazonEC2Config config = new AmazonEC2Config();

            config.RegionEndpoint = region;
            ConfigureClient(config);
            AmazonEC2Client client = new AmazonEC2Client(creds, config);

            DescribeDhcpOptionsResponse resp = new DescribeDhcpOptionsResponse();

            do
            {
                DescribeDhcpOptionsRequest req = new DescribeDhcpOptionsRequest
                {
                    NextToken = resp.NextToken
                    ,
                    MaxResults = maxItems
                };

                resp = client.DescribeDhcpOptions(req);
                CheckError(resp.HttpStatusCode, "200");

                foreach (var obj in resp.DhcpOptions)
                {
                    AddObject(obj);
                }
            }while (!string.IsNullOrEmpty(resp.NextToken));
        }
        public override void Invoke(AWSCredentials creds, RegionEndpoint region, int maxItems)
        {
            AmazonEC2Config config = new AmazonEC2Config();

            config.RegionEndpoint = region;
            ConfigureClient(config);
            AmazonEC2Client client = new AmazonEC2Client(creds, config);

            DescribeDhcpOptionsResponse resp = new DescribeDhcpOptionsResponse();
            DescribeDhcpOptionsRequest  req  = new DescribeDhcpOptionsRequest
            {
            };

            resp = client.DescribeDhcpOptions(req);
            CheckError(resp.HttpStatusCode, "200");

            foreach (var obj in resp.DhcpOptions)
            {
                AddObject(obj);
            }
        }