FxCop - a code analysis tool for .NET managed assemblies
EditBy: FxCop is a code analysis tool that checks .NET managed code assemblies for conformance to the Microsoft .NET Framework Design Guidelines. It uses MSIL parsing, and callgraph analysis to inspect assemblies for more than 200 defects in the following areas:

- Library design
- Globalization
- Naming conventions
- Performance
- Interoperability and portability
- Security
- Usage

FxCop includes both GUI and command line versions of the tool and supports analyzing .NET 1.x, .NET 2.0 and .NET 3.x components. you can free download Microsoft FxCop 1.36 Beta 2 now.