How do I set AppUserModelID on shortcut?

Question

I'm in Windows 7 working on combining two apps with the same task bar icon, as described in this question:

http://stackoverflow.com/questions/1330939/pinning-advertised-shortcuts-on-the-taskbar-in-windows-7

I see there, and it lots of online documentation that I need to set the AppUserModelID as a property of the shortcut. My installer program uses the basic Visual Studio 2008 setup project, and I don't see any way to set shortcut properties on installation. Is there any head-start anyone can give me on how to do this?

Answer 1

I don't know anything about VS2k8 setup projects so I don't know if you can run custom actions etc but I do know that to set the AppId on a shortcut you load/create your shortcut and query its IShellLink for IPropertyStore, then InitPropVariantFromString a variant with your id and call SetValue(PKEY_AppUserModel_ID,propvariant) + Commit on the propertystore