I am looking for a way to interact with a standalone full version of Windows Media Player.
Mostly I need to know the Path of the currently played track.
The iTun
I had this https://social.msdn.microsoft.com/Forums/vstudio/en-US/dbd43d7e-f3a6-4087-be06-df17e76b635d/windows-media-player-remoting-in-c?forum=clr in my bookmarks but have NOT tested it in anyway. Just a pointer in the right direction. It's nothing official and will require a bit of digging, but you should get a fairly simple wrapper (which will still use PInvoke under the hood - but you won't see it) around Windows Media Player.
Hope that helps.
Oh, I misunderstood. I thought you were talking about controlling the currently running Windows Media Player instance. If you are hosting Windows Media Player yourself then WMPLib is certainly the better solution.