Sonrisante wrote: I don't exactly know why the namespace doesn't include, if not infer, the required references (or vice versa). Apparently Eclipse does this kind of thing with Java. It would be a good thing to have in VS. They've got half of it. If you already have a reference but not a using statement then clicking on the class and typing Alt+Shift+F10 auto-includes the using statement or the fully qualified class name. Kevin