What are Extenders?
• VB Migration Partner has an open architecture and supports plug-ins (or extenders) that can participate and alter the migration process to add support for special features. An extender is a class that implements a special interface that VB Migration Partner recognizes and uses to communicate with the extender. The extender class must be compiled in a DLL and deployed in VB Migration Partner’s main directory. Right out of the box, we provide an extender that eliminates unused constant and Declare statements and another extender that refines the code produced by the conversion of UserControl classes. You can enable or disable individual extenders from the Extenders tab of the Options dialog box. In our vision, we plan to use extenders both to add new features to VB Migration Partner and to ease the migration of large and complex business application. For example, the migration of a VB6 application that uses a custom-made library could be improved by writing an extender that recognizes
