Environment 类
提供有关当前环境和平台的信息以及操作它们的方法。 此类不能被继承。
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text; namespace 测试
{
class Program
{
static void Main(string[] args)
{
String str;
String nl = Environment.NewLine;
//
Console.WriteLine();
Console.WriteLine("-- Environment members --"); // Invoke this sample with an arbitrary set of command line arguments.
Console.WriteLine("CommandLine: {0}", Environment.CommandLine); String[] arguments = Environment.GetCommandLineArgs();
Console.WriteLine("GetCommandLineArgs: {0}", String.Join(", ", arguments)); // <-- Keep this information secure! -->
Console.WriteLine("CurrentDirectory: {0}", Environment.CurrentDirectory); Console.WriteLine("ExitCode: {0}", Environment.ExitCode); Console.WriteLine("HasShutdownStarted: {0}", Environment.HasShutdownStarted); // <-- Keep this information secure! -->
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); // <-- Keep this information secure! -->
Console.WriteLine("SystemDirectory: {0}", Environment.SystemDirectory); Console.WriteLine("TickCount: {0}", Environment.TickCount); // <-- Keep this information secure! -->
Console.WriteLine("UserDomainName: {0}", Environment.UserDomainName); Console.WriteLine("UserInteractive: {0}", Environment.UserInteractive); // <-- Keep this information secure! -->
Console.WriteLine("UserName: {0}", Environment.UserName); Console.WriteLine("Version: {0}", Environment.Version.ToString()); Console.WriteLine("WorkingSet: {0}", Environment.WorkingSet); // No example for Exit(exitCode) because doing so would terminate this example. // <-- Keep this information secure! -->
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));
Console.ReadKey();
}
}
}
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