PAVE Visual Studio Add-Ins vs. Shared Add-Ins
Visual Studio add-ins are deprecated in Visual Studio 2013. You should upgrade your add-ins to VSPackage extensions. For more information about upgrading, see FAQ: Converting Add-ins to VSPackage Extensions.
We're sorry—the topic that you requested is no longer available. There are no shared add-ins in Visual Studio 2012. Use the search box to find related information.