/// <summary>
 /// Constructs AmazonElasticLoadBalancingClient with AWS Access Key ID, AWS Secret Key and an
 /// AmazonElasticLoadBalancingClient Configuration object. 
 /// </summary>
 /// <param name="awsAccessKeyId">AWS Access Key ID</param>
 /// <param name="awsSecretAccessKey">AWS Secret Access Key</param>
 /// <param name="awsSessionToken">AWS Session Token</param>
 /// <param name="clientConfig">The AmazonElasticLoadBalancingClient Configuration Object</param>
 public AmazonElasticLoadBalancingClient(string awsAccessKeyId, string awsSecretAccessKey, string awsSessionToken, AmazonElasticLoadBalancingConfig clientConfig)
     : base(awsAccessKeyId, awsSecretAccessKey, awsSessionToken, clientConfig)
 {
 }

 /// <summary>
 /// Create a client for the Amazon ElasticLoadBalancing Service with the specified configuration
 /// </summary>
 /// <param name="awsAccessKey">The AWS Access Key associated with the account</param>
 /// <param name="awsSecretAccessKey">The AWS Secret Access Key associated with the account</param>
 /// <param name="config">Configuration options for the service like HTTP Proxy, # of connections, etc
 /// </param>
 /// <returns>An Amazon ElasticLoadBalancing client</returns>
 /// <remarks>
 /// </remarks>
 public static IAmazonElasticLoadBalancing CreateAmazonElasticLoadBalancingClient(
     string awsAccessKey,
     string awsSecretAccessKey, AmazonElasticLoadBalancingConfig config
     )
 {
     return new AmazonElasticLoadBalancingClient(awsAccessKey, awsSecretAccessKey, config);
 }

 /// <summary>
 /// Constructs AmazonElasticLoadBalancingClient with the credentials loaded from the application's
 /// default configuration, and if unsuccessful from the Instance Profile service on an EC2 instance.
 /// 
 /// Example App.config with credentials set. 
 /// <code>
 /// &lt;?xml version="1.0" encoding="utf-8" ?&gt;
 /// &lt;configuration&gt;
 ///     &lt;appSettings&gt;
 ///         &lt;add key="AWSProfileName" value="AWS Default"/&gt;
 ///     &lt;/appSettings&gt;
 /// &lt;/configuration&gt;
 /// </code>
 ///
 /// </summary>
 /// <param name="config">The AmazonElasticLoadBalancingClient Configuration Object</param>
 public AmazonElasticLoadBalancingClient(AmazonElasticLoadBalancingConfig config)
     : base(FallbackCredentialsFactory.GetCredentials(), config) { }

 /// <summary>
 /// Create a client for the Amazon ElasticLoadBalancing Service with the credentials loaded from the application's
 /// default configuration, and if unsuccessful from the Instance Profile service on an EC2 instance.
 /// 
 /// Example App.config with credentials set. 
 /// <code>
 /// &lt;?xml version="1.0" encoding="utf-8" ?&gt;
 /// &lt;configuration&gt;
 ///     &lt;appSettings&gt;
 ///         &lt;add key="AWSAccessKey" value="********************"/&gt;
 ///         &lt;add key="AWSSecretKey" value="****************************************"/&gt;
 ///     &lt;/appSettings&gt;
 /// &lt;/configuration&gt;
 /// </code>
 /// </summary>
 /// <param name="config">Configuration options for the service like HTTP Proxy, # of connections, etc</param>
 /// <returns>An Amazon ElasticLoadBalancing client</returns>
 public static AmazonElasticLoadBalancing CreateAmazonElasticLoadBalancingClient(AmazonElasticLoadBalancingConfig config)
 {
     return new AmazonElasticLoadBalancingClient(config);
 }

 /// <summary>
 /// Constructs AmazonElasticLoadBalancingClient with the credentials defined in the App.config.
 /// 
 /// Example App.config with credentials set. 
 /// <code>
 /// &lt;?xml version="1.0" encoding="utf-8" ?&gt;
 /// &lt;configuration&gt;
 ///     &lt;appSettings&gt;
 ///         &lt;add key="AWSAccessKey" value="********************"/&gt;
 ///         &lt;add key="AWSSecretKey" value="****************************************"/&gt;
 ///     &lt;/appSettings&gt;
 /// &lt;/configuration&gt;
 /// </code>
 ///
 /// </summary>
 /// <param name="config">The AmazonElasticLoadBalancing Configuration Object</param>
 public AmazonElasticLoadBalancingClient(AmazonElasticLoadBalancingConfig config)
     : base(new EnvironmentAWSCredentials(), config, true, AuthenticationTypes.User)
 {
 }

 /// <summary>
 /// Constructs AmazonElasticLoadBalancingClient with the credentials loaded from the application's
 /// default configuration, and if unsuccessful from the Instance Profile service on an EC2 instance.
 /// 
 /// Example App.config with credentials set. 
 /// <code>
 /// &lt;?xml version="1.0" encoding="utf-8" ?&gt;
 /// &lt;configuration&gt;
 ///     &lt;appSettings&gt;
 ///         &lt;add key="AWSAccessKey" value="********************"/&gt;
 ///         &lt;add key="AWSSecretKey" value="****************************************"/&gt;
 ///     &lt;/appSettings&gt;
 /// &lt;/configuration&gt;
 /// </code>
 ///
 /// </summary>
 /// <param name="config">The AmazonElasticLoadBalancing Configuration Object</param>
 public AmazonElasticLoadBalancingClient(AmazonElasticLoadBalancingConfig config)
     : base(FallbackCredentialsFactory.GetCredentials(), config, AuthenticationTypes.User | AuthenticationTypes.Session) { }

        /// <summary>
        /// Creates AWS Elastic Load Balancing client
        /// </summary>
        /// <returns>AmazonElasticLoadBalancingClient</returns>
        private AmazonElasticLoadBalancingClient GetElbClient()
        {
            if (vm.Region == null)
            {
                throw new InvalidRegionException("No region defined when creating elastic load balancing client");
            }

            AmazonElasticLoadBalancingConfig config = new AmazonElasticLoadBalancingConfig();
            config.ServiceURL = vm.Region.ElbUrl;

            AmazonElasticLoadBalancingClient client = new AmazonElasticLoadBalancingClient(config);

            return client;
        }