P4.net

About This Project
P4 .Net provides an API for the Microsoft .Net Common Language Runtime. It can be used from any managed language including C#, VB.Net, and J#.

For more information see: http://sourceforge.net/projects/p4dotnet/

A third party has made P4.NET available for Visual Studio 2010 and .NET 4.0 at: http://www.jbraz.com