System.Runtime.InteropServices (mscorlib.dll)class

This type exposes static methods you can use to get information about the CLR's environment.

public class RuntimeEnvironment {
// Public Constructors
   public RuntimeEnvironment( );
// Public Static Properties
   public static string SystemConfigurationFile{get; }
// Public Static Methods
   public static bool FromGlobalAccessCache(System.Reflection.Assembly a);
   public static string GetRuntimeDirectory( );
   public static string GetSystemVersion( );

    Part II: Programming with the .NET Framework
    Part IV: API Quick Reference
    Chapter 26. System

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