Here's an answer I posted on SO that might be helpful http://stackoverflow.com/questions/2611280/how-can-i-effectively-test-against-the-windows-api/2620506#262

Here's an answer I posted on SO that might be helpful http://stackoverflow.com/questions/2611280/how-can-i-effectively-test-against-the-windows-api/2620506#2620506 http://stackoverflow.com/questions/2611280/how-can-i-effecti...