PInvoke - Win32 declarations again

I found a GotDotNet Sample that looks like it has some of the Windows.H declarations. No #defines converted, though.
So why am I harping about all this PInvoke stuff? i just don't believe that .NET's going to be the only platform for years to come, and there's tons of things in Win32 that are plain ignored in the FCL. So, we'll need PInvoke for a while - and it's better to have a ready set of translations so you can use what you're going to need.