AWS SDK for .NET Documentation
InstanceCount Property
AmazonAmazon.EC2.ModelCreateReservedInstancesListingRequestInstanceCount Did this page help you?   Yes   No    Tell us about it...
The number of instances that are a part of a Reserved Instance account that will be listed in the Reserved Instance Marketplace.
Declaration Syntax
C#
public int InstanceCount { get; set; }
Remarks
This number should be less or equal to the instance count associated with the Reserved Instance ID specified in the request.

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