WMI使用集锦

1.WMI简介
WMI是英文Windows Management Instrumentation的简写，它的功能主要是：访问本地主机的一些信息和服务，可以管理远程计算机（当然你必须要拥有足够的权限），比如：重启，关机，关闭进程，创建进程等。
2.使用时首先添加System.Management.dll，然后引用

using  System.Management;
using  System.Threading; 

3.示例代码
3.1 html代码

< HTML >
     < HEAD >
         < title > WMITest </ title >
         < meta  name ="GENERATOR"  Content ="Microsoft Visual Studio .NET 7.1" >
         < meta  name ="CODE_LANGUAGE"  Content ="C#" >
         < meta  name ="vs_defaultClientScript"  content ="JavaScript" >
         < meta  name ="vs_targetSchema"  content ="http://schemas.microsoft.com/intellisense/ie5" >
     </ HEAD >
     < body  MS_POSITIONING ="GridLayout" >
         < form  id ="Form1"  method ="post"  runat ="server" >
             < FONT  face ="宋体" >
                 < asp:Button  id ="Button1"  style ="Z-INDEX: 101; LEFT: 48px; POSITION: absolute; TOP: 16px"  runat ="server"
                    Text ="获得本地磁盘的信息"  Width ="152px" ></ asp:Button >
                 < asp:Button  id ="Button2"  style ="Z-INDEX: 102; LEFT: 32px; POSITION: absolute; TOP: 56px"  runat ="server"
                    Text ="获得指定磁盘的容量"  Width ="144px" ></ asp:Button >
                 < asp:Button  id ="Button3"  style ="Z-INDEX: 103; LEFT: 32px; POSITION: absolute; TOP: 96px"  runat ="server"
                    Text ="列出机器中所有的共享资源"  Width ="192px" ></ asp:Button >
                 < asp:Button  id ="Button4"  style ="Z-INDEX: 104; LEFT: 8px; POSITION: absolute; TOP: 128px"  runat ="server"
                    Text ="控制让系统中的某个文件夹共享或取消共享"  Width ="264px" ></ asp:Button >
                 < asp:Button  id ="Button5"  style ="Z-INDEX: 105; LEFT: 48px; POSITION: absolute; TOP: 160px"  runat ="server"
                    Text ="获得系统服务的运行状态" ></ asp:Button >
                 < asp:Button  id ="Button6"  style ="Z-INDEX: 106; LEFT: 40px; POSITION: absolute; TOP: 192px"  runat ="server"
                    Text ="通过WMI修改IP，而实现不用重新启动"  Width ="248px" ></ asp:Button >
                 < asp:Button  id ="Button7"  style ="Z-INDEX: 107; LEFT: 24px; POSITION: absolute; TOP: 224px"  runat ="server"
                    Text ="如何利用WMI远程重启远程计算机"  Width ="232px" ></ asp:Button >
                 < asp:Button  id ="Button8"  style ="Z-INDEX: 108; LEFT: 40px; POSITION: absolute; TOP: 264px"  runat ="server"
                    Text ="利用WMI创建一个新的进程"  Width ="192px" ></ asp:Button >
                 < asp:Button  id ="Button9"  style ="Z-INDEX: 109; LEFT: 32px; POSITION: absolute; TOP: 296px"  runat ="server"
                    Text ="如何通过WMI终止一个进程"  Width ="192px" ></ asp:Button >
                 < asp:Button  id ="Button10"  style ="Z-INDEX: 110; LEFT: 32px; POSITION: absolute; TOP: 328px"  runat ="server"
                    Text ="如何用WMI 来获取远程机器的目录以及文件"  Width ="280px" ></ asp:Button >
                 < asp:Button  id ="Button11"  style ="Z-INDEX: 111; LEFT: 424px; POSITION: absolute; TOP: 24px"  runat ="server"
                    Text ="网卡的MAC地址"  Width ="120px" ></ asp:Button >
                 < asp:Button  id ="Button12"  style ="Z-INDEX: 112; LEFT: 456px; POSITION: absolute; TOP: 64px"  runat ="server"
                    Text ="CPU的系列号 "  Width ="104px" ></ asp:Button >
                 < asp:Button  id ="Button13"  style ="Z-INDEX: 113; LEFT: 448px; POSITION: absolute; TOP: 120px"
                    runat ="server"  Text ="主板的系列号" ></ asp:Button >
                 < asp:Button  id ="Button14"  style ="Z-INDEX: 114; LEFT: 472px; POSITION: absolute; TOP: 160px"
                    runat ="server"  Text ="获取硬盘ID" ></ asp:Button >
                 < asp:Button  id ="Button15"  style ="Z-INDEX: 115; LEFT: 448px; POSITION: absolute; TOP: 208px"
                    runat ="server"  Text ="获取本机的用户列表"  Width ="144px" ></ asp:Button ></ FONT >
         </ form >
     </ body >
</ HTML >

3.2cs代码

public   class  WMITest : System.Web.UI.Page
     {
        protected System.Web.UI.WebControls.Button Button2;
        protected System.Web.UI.WebControls.Button Button3;
        protected System.Web.UI.WebControls.Button Button4;
        protected System.Web.UI.WebControls.Button Button5;
        protected System.Web.UI.WebControls.Button Button6;
        protected System.Web.UI.WebControls.Button Button7;
        protected System.Web.UI.WebControls.Button Button8;
        protected System.Web.UI.WebControls.Button Button9;
        protected System.Web.UI.WebControls.Button Button10;
        protected System.Web.UI.WebControls.Button Button11;
        protected System.Web.UI.WebControls.Button Button12;
        protected System.Web.UI.WebControls.Button Button13;
        protected System.Web.UI.WebControls.Button Button14;
        protected System.Web.UI.WebControls.Button Button15;
        protected System.Web.UI.WebControls.Button Button1;
    
        private void Page_Load(object sender, System.EventArgs e)
        {
            // Put user code to initialize the page here
        }

        Web Form Designer generated code#region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);
        }
        
        /**//// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {    
            this.Button1.Click += new System.EventHandler(this.Button1_Click);
            this.Button2.Click += new System.EventHandler(this.Button2_Click);
            this.Button3.Click += new System.EventHandler(this.Button3_Click);
            this.Button4.Click += new System.EventHandler(this.Button4_Click);
            this.Button5.Click += new System.EventHandler(this.Button5_Click);
            this.Button6.Click += new System.EventHandler(this.Button6_Click);
            this.Button7.Click += new System.EventHandler(this.Button7_Click);
            this.Button8.Click += new System.EventHandler(this.Button8_Click);
            this.Button9.Click += new System.EventHandler(this.Button9_Click);
            this.Button10.Click += new System.EventHandler(this.Button10_Click);
            this.Button11.Click += new System.EventHandler(this.Button11_Click);
            this.Button12.Click += new System.EventHandler(this.Button12_Click);
            this.Button13.Click += new System.EventHandler(this.Button13_Click);
            this.Button14.Click += new System.EventHandler(this.Button14_Click);
            this.Button15.Click += new System.EventHandler(this.Button15_Click);
            this.Load += new System.EventHandler(this.Page_Load);

        }
        #endregion

        1.如何用WMI获得指定磁盘的容量#region 1.如何用WMI获得指定磁盘的容量
        private string DriveType(string type)
        {
            string rtntype="";
            switch (type)
            {
                case "1":
                    rtntype="Not Type";
                    break;
                case "2":
                    rtntype="Floppy disk";
                    break;
                case "3":
                    rtntype="Hard disk";
                    break;
                case "4":
                    rtntype="Removable drive or network drive";
                    break;
                case "5":
                    rtntype="CD-ROM";
                    break;
                case "6":
                    rtntype="RAM disk";
                    break;
                default :