Sven is right ...
but I don't like the use of com object in .Net ... so I propose the creation of a new class library to do this, for the .Net 2.0 Framework ...
http://lab.msdn.microsoft.com/productfeedback/viewfeedback.aspx?feedbackid=615bf0fc-7575-45ca-96e5-d8346e897579
It's still under review ...
Bye from Spain