How to create a Visual Studio add-in that launches from the Project window

IntroductionWithin Visual Studio 2010, there are two main ways to install add-ons that allow you to make modifications to a Visual Studio project. The first way is to use Visual Studio templates. Templates are a great way to duplicate work that you would commonly need to do such as add license information to the top of every class. Another way is to use add-ins. Add-ins typically run from the