C# Class/Object visualisation software

Question

In Visual Studio 2005 and prior you could export your code to Visio and view the relationships between the objects and what methods, properties and fields it had. This was great

Answer 1

Do you require the software to be free? If not, you might consider a UML tool like Sparx Enterprise Architect. It can import your code, and has two add-ons that go further in terms of Visual Studio integration.