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FxCop is an application that analyzes managed code assemblies (code that targets the .NET Framework common language runtime) and reports information about the assemblies, such as possible design, localization, performance, and security improvements. Many of the issues concern violations of the programming and design rules set forth in the Design Guidelinesfor Class Library Developers, which are the Microsoft guidelines for writing robust and easily maintainable code by using the .NET Framework.

FxCop is intended for class library developers. However, anyone creating applications that should comply with the .NET Framework best practices will benefit. FxCop is also useful as an educational tool for people who are new to the .NET Framework or who are unfamiliar with the .NET Framework Design Guidelines.

FxCop is designed to be fully integrated into the software development cycle and is distributed as both a fully featured application that has a graphical user interface (FxCop.exe) for interactive work, and a command-line tool (FxCopCmd.exe) suited for use as part of automated build processes or integrated with Microsoft Visual Studio® .NET as an external tool.

Visit the FxCop Web site for support, updated documentation, and new rule topics.

In This Section

  • Using FxCop
    Provides a complete description of the FxCop user interface and features.
  • Using FxCopCmd
    Provides a complete description of the FxCopCmd command-line options and output results.
  • FxCop FAQ
    Provides answers to frequent questions about FxCop.