(转)C# WMI 编程

原文：http://hi.baidu.com/spidermanzy/blog/item/3b4c8def3704fce8cf1b3e43.html

//win32_logicaldisk

//导入dll：解决方案 ==> 引用 ==> 添加引用 ==> COM ==> System.Management.dll --C:"WINDOWS"Microsoft.NET"Framework"v1.1.4322
using System;
using System.Management;
class disk //数据管理对象
{
   public static void Main()
    {
      //创建 C: 的实例
       ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=""c:""");
       disk.Get();
       Console.WriteLine("磁盘大小"+disk["Size"]+"bytes"); //打印C:大小,单位bytes
    }
}



确定计算机名称或 IP 地址是物理计算机还是虚拟 IP 地址 CIMV2:Win32_ComputerSystem
在远程计算机上运行进程 CIMV2:Win32_Process
确定远程计算机中是否存在某个目录 CIMV2:Win32_Directory
停止/启动 IIS System.Diagnostics.Process
将程序集添加到全局程序集缓存 (GAC) System.Diagnostics.Process
注册和配置 GAM 组件 COMAdmin 目录 (COM 1.0)
创建 Web 站点 System.DirectoryServices.DirectoryEntry

//可以用此方法来选择集合中的部份记录 "SELECT * FROM Win32_Service WHERE Name = 'ServiceName'",

"Win32_LogicalDisk" 类 //通过它我们可以查看到本地驱动器

ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * From Win32_LogicalDisk "); //查询
ManagementObjectCollection queryCollection = query.Get(); //Get获取集合并赋给 Collention
foreach ( ManagementObject mo in queryCollection) //偏历集合
{
    Console.WriteLine("type:"+mo["DriveType"].ToString());
    sConsole.WriteLine("Drive: " + mo["Name"].ToString()); //打印出所有驱动器
}


"Win32_Environment" 类 //环境变量
using System;
using System.Management;
public class EnumerateInstances
{
   public static void Main()
    {
       SelectQuery query = new SelectQuery("Win32_Environment");
       ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);
      foreach (ManagementBaseObject envVar in searcher.Get())
          Console.WriteLine("Variable : {0}, Value = {1}",envVar["Name"],envVar["VariableValue"]);
    }
}

"Win32_OperatingSystem" 类 //操作系统信息
Console.WriteLine( "操作系统: " + mo["Caption"]);
Console.WriteLine( "版本号: " + mo["Version"]);
Console.WriteLine( "制造商: " + mo["Manufacturer"]);
Console.WriteLine( "计算机名: " +mo["csname"]);
Console.WriteLine("Windows目录: " + mo["WindowsDirectory"]);

"Win32_Service" 类 //系统服务

//输出默认站点的目录结构
using System;
using System.DirectoryServices;
class IISFolderList
{
   static void ListFolder(DirectoryEntry paraEntry, int paraIndent)
    {
      for(int i=paraIndent; i>0; i--)
       Console.Write(' ');
       Console.WriteLine(paraEntry.Name);
       paraIndent++;
      foreach(DirectoryEntry tempEntry in paraEntry.Children)
          ListFolder(tempEntry,paraIndent);
       paraEntry.Dispose();
    }
   static void Main(string[] args)
    {
       ListFolder(new DirectoryEntry("IIS://localhost/W3SVC/1/Root"),0);
    }
}