【文章标题】: 设备管理01
【文章作者】: 有酒醉
【作者邮箱】: wuqr32@sina.com
【下载地址】: 自己搜索下载
【作者声明】: 只是感兴趣，没有其他目的。失误之处敬请诸位大侠赐教!
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【详细过程】
一、前言
WMI是一种管理技术,用于访问您的计算机系统.WMI的最大优点是对象管理器实现了它自己的轮循机制,如果我们想接收通知,如CPU利用率
是否非常高,可用磁盘空间是否下降太快,等等.这些都可以告知对象管理器,它将处理后续的所有事情,并在需要的时产生通知.
二、WMI关键的几个类(参阅MSDN)
ManagementObject 或 ManagementClass：分别为单个管理对象或类。
ManagementObjectSearcher：用于根据指定的查询或枚举检索 ManagementObject 或 ManagementClass 对象的集合。
ManagementEventWatcher：用于预订来自 WMI 的事件通知。
ManagementQuery：用作所有查询类的基础。
三、使用WMI与计算机交互
示例 -- 查询机器处理器信息
// ProcessorInfo.cs// Author by Yzlusing System;using System.Management;public class ProcessorInfo
...{
public static void Main(string[] args)
...{ ManagementClass processorCls = new ManagementClass("Win32_Processor"); // 罗列CPU处理器的信息 foreach(ManagementObject processorObj in processorCls.GetInstances()) ...{ Console.WriteLine("Processor Id:"+processorObj["ProcessorId"]); Console.WriteLine("Processor Name:" + processorObj["Name"]); Console.WriteLine("Current Clock Speed:" + processorObj["CurrentClockSpeed"]); 
} }
} 如果要查阅远程计算机的处理器信息,可以做如下更改:
ConnectionOptions connection = new ConnectionOptions();
connection.Username = "user";
connection.Password = "password";
ManagementScope scope = new ManagementScope("////RemoteComputerName//root//CIMV2", connection);
scope.Connect();
ManagementPath p = new ManagementPath("Win32_Processor");
ObjectGetOptions o = new ObjectGetOptions(null, true);
ManagementClass c = new ManagementClass(s, p, o);
查阅其他信息参阅Win32_Processor结构
class Win32_Processor : CIM_Processor...{ uint16 AddressWidth; uint16 Architecture; uint16 Availability; string Caption; uint32 ConfigManagerErrorCode; boolean ConfigManagerUserConfig; uint16 CpuStatus; string CreationClassName; uint32 CurrentClockSpeed; uint16 CurrentVoltage; uint16 DataWidth; string Description; string DeviceID; boolean ErrorCleared; string ErrorDescription; uint32 ExtClock; uint16 Family; datetime InstallDate; uint32 L2CacheSize; uint32 L2CacheSpeed; uint32 LastErrorCode; uint16 Level; uint16 LoadPercentage; string Manufacturer; uint32 MaxClockSpeed; string Name; string OtherFamilyDescription; string PNPDeviceID; uint16 PowerManagementCapabilities[]; boolean PowerManagementSupported; string ProcessorId; uint16 ProcessorType; uint16 Revision; string Role; string SocketDesignation; string Status; uint16 StatusInfo; string Stepping; string SystemCreationClassName; string SystemName; string UniqueId; uint16 UpgradeMethod; string Version; uint32 VoltageCaps;};示例 -- 查询驱动器信息
// DriverInfo.cs// Author by Yzlusing System;using System.Management;public class DriverInfo...{ public static void Main(string[] args) ...{ ManagementClass driverCls = new ManagementClass("Win32_LogicalDisk"); // 罗列驱动器的信息 foreach(ManagementObject driverObj in driverCls.GetInstances()) ...{ Console.Write(driverObj["Description"]+" "+driverObj["DeviceID"]); Console.WriteLine(); if (driverObj["Size"] != null) ...{ Console.WriteLine("总空间:" + double.Parse(driverObj["Size"].ToString())/1024/1024/1024 + "GB"); Console.WriteLine("剩余空间:" + double.Parse(driverObj["FreeSpace"].ToString())/1024/1024/1024 + "GB"); } Console.WriteLine(); } }}我的机器下运行结果:
本地固定磁盘 C:
总空间:9.76696395874023GB
剩余空间:0.94287109375GB
本地固定磁盘 D:
总空间:14.6466331481934GB
剩余空间:2.65357208251953GB
本地固定磁盘 E:
总空间:19.5339584350586GB
剩余空间:14.6205635070801GB
本地固定磁盘 F:
总空间:30.5495986938477GB
剩余空间:10.0165901184082GB
CD-ROM 磁盘 G:
E:/>
其他示例我集中一下:
// 启动Oralce Linstener服务// OracleLinstenerStart.cs using System;using System.Management;public class OracleLinstenerStart...{ public void Main(string[] args) ...{ ManagementObject OracleLinstenerObject = new ManagementObject(@"rootcimv2", "Win32_Service.Name='OracleoracleTNSListener'",null); ManagementBaseObject outObject = OracleLinstenerObject.InvokeMethod("StartService",null,null); int iRet = int.Parse(outObject["returnValue"].ToString()); switch(iRet) ...{ case 0:Console.WriteLine("Oralce Linstener服务正常启动.");break; case 10:Console.WriteLine("Oralce Linstener服务已经启动.");break; default: Console.WriteLine("其他原因,请参照MSDN");break; } }}// 查找当前正在运行的进程// ProcessLookup.cspublic class ProcessLookup...{ public static void Main(string[] args) ...{ ManagementObject xdictObject = null; ManagementClass processClass = new ManagementClass("Win32_Process"); foreach(ManagementObject mObject in processClass.GetInstances()) ...{ // 罗列当前进程信息 Console.WriteLine(mObject["Name"]+" "+mObject["ProcessId"]); if (mObject["Name"].ToString() == "xdict.exe") ...{ xdictObject = mObject; } } // 关闭金山词霸 if (xdictObject == null) ...{ Console.WriteLine("未找到该进程"); return; } object o = xdictObject.InvokeMethod("Terminate",new Object[]...{0}); int iRet = int.Parse(o.ToString()); switch(iRet) ...{ case 0:Console.WriteLine("金山词霸正常关闭");break; case 2:Console.WriteLine("访问拒绝");break; case 3:Console.WriteLine("权限不足");break; case 8:Console.WriteLine("未知错误");break; case 9:Console.WriteLine("路径未找到");break; case 21:Console.WriteLine("无效参数");break; } } }// 查看系统的驱动和文件共享// DocShare.cspublic class DocShare...{ public static void Main(string[] args) ...{ } }
<续>
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2007年03月11日 15:27:04