ApplySecurityGroupsToLoadBalancerResponse

This example associates a security group with the specified load balancer in a VPC.

To associate a security group with a load balancer in a VPC

var client = new AmazonElasticLoadBalancingClient();
var response = client.ApplySecurityGroupsToLoadBalancer(new ApplySecurityGroupsToLoadBalancerRequest 
{
    LoadBalancerName = "my-load-balancer",
    SecurityGroups = new List<string> {
        "sg-fc448899"
    }
});

List<string> securityGroups = response.SecurityGroups;