Environment

EnvironmentCF 1.0, ECMA 1.0

System (mscorlib.dll)sealed class

This class represents an application's operating environment, which includes details about the operating system, the current user, and other environment variables. This information is provided through static properties and some helper methods.

You can retrieve command-line arguments as a string from CommandLine or as an array of strings using GetCommandLineArgs( ). Use the GetLogicalDrives( ) method to get an array of strings containing drive names (for example, C:\), and use the GetFolderPath( ) method to get the physical location of a special system folder. You can also retrieve environment variables by key name using the GetEnvironmentVariable( ) method and automatically replace environment variables in a string with the ExpandEnvironmentVariables( ) method, as long as they are delimited with the percent sign (%). For example, on a system with the environment variable MAC_ADDR set to 123456789012, the string MAC_ADDR=%MAC_ADDR% would be converted to MAC_ADDR=123456789012.

public sealed class Environment {
// Public Static Properties
   public static string CommandLine{get; }
   public static string CurrentDirectory{set; get; }
   public static int ExitCode{set; get; }
   public static bool HasShutdownStarted{get; }
   public static string MachineName{get; }
   public static string NewLine{get; }
   public static OperatingSystem OSVersion{get; }
   public static string StackTrace{get; }
   public static string SystemDirectory{get; }
   public static int TickCount{get; }
   public static string UserDomainName{get; }
   public static bool UserInteractive{get; }
   public static string UserName{get; }
   public static Version Version{get; }
   public static long WorkingSet{get; }
// Public Static Methods
   public static void Exit(int exitCode);
   public static string ExpandEnvironmentVariables(string name);
   public static string[ ] GetCommandLineArgs( );
   public static string GetEnvironmentVariable(string variable);
   public static IDictionary GetEnvironmentVariables( );
   public static string GetFolderPath(SpecialFolder folder);
   public static string[ ] GetLogicalDrives( );
}


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