Environment Class
using System;
using System.Collections;
class Sample
{
public static void Main()
{
String str;
String nl = Environment.NewLine;
Console.WriteLine("CommandLine: {0}", Environment.CommandLine);
String[] arguments = Environment.GetCommandLineArgs();
Console.WriteLine("GetCommandLineArgs: {0}", String.Join(", ", arguments));
Console.WriteLine("CurrentDirectory: {0}", Environment.CurrentDirectory);
Console.WriteLine("ExitCode: {0}", Environment.ExitCode);
Console.WriteLine("HasShutdownStarted: {0}", Environment.HasShutdownStarted);
Console.WriteLine("MachineName: {0}", Environment.MachineName);
Console.WriteLine("NewLine: {0} first line{0} second line{0} third line",Environment.NewLine);
Console.WriteLine("OSVersion: {0}", Environment.OSVersion.ToString());
Console.WriteLine("StackTrace: '{0}'", Environment.StackTrace);
Console.WriteLine("SystemDirectory: {0}", Environment.SystemDirectory);
Console.WriteLine("TickCount: {0}", Environment.TickCount);
Console.WriteLine("UserDomainName: {0}", Environment.UserDomainName);
Console.WriteLine("UserInteractive: {0}", Environment.UserInteractive);
Console.WriteLine("UserName: {0}", Environment.UserName);
Console.WriteLine("Version: {0}", Environment.Version.ToString());
Console.WriteLine("WorkingSet: {0}", Environment.WorkingSet);
String query = "My system drive is %SystemDrive% and my system root is %SystemRoot%";
str = Environment.ExpandEnvironmentVariables(query);
Console.WriteLine("ExpandEnvironmentVariables: {0} {1}", nl, str);
Console.WriteLine("GetEnvironmentVariable: {0} My temporary directory is {1}.", nl,Environment.GetEnvironmentVariable("TEMP"));
Console.WriteLine("GetEnvironmentVariables: ");
IDictionary environmentVariables = Environment.GetEnvironmentVariables();
foreach (DictionaryEntry de in environmentVariables){
Console.WriteLine(" {0} = {1}", de.Key, de.Value);
}
Console.WriteLine("GetFolderPath: {0}", Environment.GetFolderPath(Environment.SpecialFolder.System));
String[] drives = Environment.GetLogicalDrives();
Console.WriteLine("GetLogicalDrives: {0}", String.Join(", ", drives));
}
}
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