
Application add-ins typically customize the user interface by
manipulating the Office 2007 Ribbon. In some cases, existing
Ribbon events can be intercepted and specific code can be
written to intervene in their execution.
VSTO relies on a host model. This means that the under-
lying Office 2007 applications are actually the hosts that
support the customization. In this case, the particular Office
2007 application is implemented by its own class. This
exposes the methods, properties, and events of the application
as class members and makes them available with IntelliSense,
which makes using the application in development easier.
VSTO Feature Set
Now that ...