AWS SDK for .NET Documentation
InstancePort Property
AmazonAmazon.ElasticLoadBalancing.ModelListenerInstancePort Did this page help you?   Yes   No    Tell us about it...
Specifies the TCP port on which the instance server is listening. This property cannot be modified for the life of the load balancer.

Constraints:

Range
1 - 65535

Declaration Syntax
C#
public int InstancePort { get; set; }

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)