AbleCommerce Shopping Cart Software

I have a problem with implement a new ProviderGateway,in the example AuthorizationNet that ablecommerce show they can override the method Initialize, but in the last version for CommerceBuilder I can't do it. I used version 7.8.4645.23454, and in the example they used version 7.0.0.1, so it is a Bug...

I read this http://wiki.ablecommerce.com/index.php/Integrating_A_Payment_Gateway , but in the example AuthorizationNet they can override the method Initialize, but in the last version for CommerceBuilder I can't do it. I used version 7.8.4645.23454, and in the example they used version 7.0.0.1, so i...