Why is Visual C++ lacking refactor functionality?

Question

When programming in C++ in Visual Studio 2008, why is there no functionality like that seen in the refactor menu when using C#?

I use Rename constan

Answer 1

I'm not sure why it is like this, but third-party tools exist that help. For example, right now I'm evaluating Visual Assist X (by Whole Tomato). We're also using Visual Studio 2005.