title: Using workflow foundation 3.5 workflow in .net 4.0 project
body: <p>I'm trying to convert quite big project from .net 3.5 to .net 4.0 and we have wwf 3.5 in it. Googling <a href="https://stackoverflow.com/questions/4027572/migrate-workflow-and-activity-from-net-3-5-to-net-4-0">this question</a> i realized that i would need to rewrite workflow almost from scratch. so my question is , if i can use .net 3.5 workflow in .net 4.0 project ? </p>