Environment类的方法和参数

在C#中，Environment类感觉还是蛮重要的，很多系统信息都可以通过Environment类来取得。先来个列表吧。

属性

Environment类的属性如下：

方法

Environment类的方法如下：

测试代码

我们可以用下面的代码来测试

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Test
{
    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));
        }
    }
}

参考地址：
Environment 类

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