Add-In - C++

IDTExensibility2
        the Microsoft Add-In Designer Type Library (Msaddndr.dll)

        OnConnection
        OnDisconnection
        OnAddInsUpdate
            a COM add-in is installed or removed
        OnStartupComplete
        OnBeginShutdown

ComAddin.h


참조 사이트:

http://support.microsoft.com/kb/230689/en-us/