Sets the CIDR block you want the subnet to cover.
            
 Declaration Syntax
 Declaration Syntax| C# | 
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")] public CreateSubnetRequest WithCidrBlock( string cidrBlock )
 Parameters
 Parameters- cidrBlock (String)
- The CIDR block you want the subnet to cover.
 Return Value
 Return Valuethis instance