ManagementClass类解析和C#如何获取硬件的相关信息
ManagementClass类解析和C#如何获取硬件的相关信息
彭泽0902 发表于11个月前
ManagementClass类解析和C#如何获取硬件的相关信息
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       在.NET的项目中,有时候需要获取计算机的硬件的相关信息,在C#语言中需要利用ManagementClass这个类来进行相关操作。

   现在先来介绍一下ManagementClass类,首先看一下类的继承结构:

 

    现在看一下MSDN对ManagementClass类的解释,对表示一个通用信息模型 (CIM) 管理类。 管理类是 WMI 类,如 Win32_LogicalDisk, ,该类型可表示一个磁盘驱动器,并 Win32_Process, ,它表示的进程 Notepad.exe 等。 此类的成员可以访问 WMI 数据,使用一个特定的 WMI 类路径。

  一. 接下来我们来看一下ManagementClass类中一些较为常用的方法的源码:

  1.GetInstances():此方法存在四个重载

 下面提供一下GetInstances(EnumerationOptions options)重载版本的代码:

 

public ManagementObjectCollection GetInstances(EnumerationOptions options) { if ((null == Path) || (null == Path.Path) || (0 == Path.Path.Length)) throw new InvalidOperationException(); Initialize ( false ); IEnumWbemClassObject enumWbem = null; EnumerationOptions o = (null == options) ? new EnumerationOptions() : (EnumerationOptions)options.Clone(); o.EnsureLocatable = false; o.PrototypeOnly = false; SecurityHandler securityHandler = null; int status                        = (int)ManagementStatus.NoError; try { securityHandler = Scope.GetSecurityHandler(); status = scope.GetSecuredIWbemServicesHandler(Scope.GetIWbemServices() ).CreateInstanceEnum_(ClassName, o.Flags, o.GetContext(), ref enumWbem ); } finally { if (securityHandler != null) securityHandler.Reset(); } if (status < 0) { if ((status & 0xfffff000) == 0x80041000) ManagementException.ThrowWithExtendedInfo((ManagementStatus)status); else Marshal.ThrowExceptionForHR(status); } return new ManagementObjectCollection(Scope, o, enumWbem); }

  2.Get():

 

 下面提供一下Get()重载版本的代码:

public ManagementObjectCollection Get() { Initialize (); IEnumWbemClassObject ew = null; SecurityHandler securityHandler = scope.GetSecurityHandler(); EnumerationOptions enumOptions = (EnumerationOptions)options.Clone(); int status = (int)ManagementStatus.NoError; try {
                if ((query.GetType() == typeof(SelectQuery)) && (((SelectQuery)query).Condition == null) && (((SelectQuery)query).SelectedProperties == null) && (options.EnumerateDeep == true)) { 
                    enumOptions.EnsureLocatable = false; enumOptions.PrototypeOnly = false; if (((SelectQuery)query).IsSchemaQuery == false) 
 { status = scope.GetSecuredIWbemServicesHandler( scope.GetIWbemServices() ).CreateInstanceEnum_( ((SelectQuery)query).ClassName, enumOptions.Flags, enumOptions.GetContext(), ref ew); } else
 { status = scope.GetSecuredIWbemServicesHandler(scope.GetIWbemServices() ).CreateClassEnum_(((SelectQuery)query).ClassName, enumOptions.Flags, enumOptions.GetContext(), ref ew ); } } else
 {
                    enumOptions.EnumerateDeep = true; status = scope.GetSecuredIWbemServicesHandler(scope.GetIWbemServices() ).ExecQuery_( query.QueryLanguage, query.QueryString, enumOptions.Flags, enumOptions.GetContext(), ref ew ); } } catch (COMException e) { //  ManagementException.ThrowWithExtendedInfo(e); } finally { securityHandler.Reset(); } if ((status & 0xfffff000) == 0x80041000) { ManagementException.ThrowWithExtendedInfo((ManagementStatus)status); } else if ((status & 0x80000000) != 0) { Marshal.ThrowExceptionForHR(status); } 
            return new ManagementObjectCollection(scope, options, ew); }

3.GetSubclasses():此方法存在四个重载版本

 下面提供一下GetSubclasses(EnumerationOptions options)重载版本的代码:

public ManagementObjectCollection GetSubclasses(EnumerationOptions options) { if (null == Path) throw new InvalidOperationException(); Initialize ( false ) ; IEnumWbemClassObject enumWbem = null; EnumerationOptions o = (null == options) ? new EnumerationOptions() : (EnumerationOptions)options.Clone(); 
            o.EnsureLocatable = false; o.PrototypeOnly = false; SecurityHandler securityHandler = null; int status                        = (int)ManagementStatus.NoError; try { securityHandler = Scope.GetSecurityHandler(); status = scope.GetSecuredIWbemServicesHandler( Scope.GetIWbemServices() ).CreateClassEnum_(ClassName, o.Flags, o.GetContext(), ref enumWbem); } finally { if (securityHandler != null) securityHandler.Reset(); } if (status < 0) { if ((status & 0xfffff000) == 0x80041000) ManagementException.ThrowWithExtendedInfo((ManagementStatus)status); else Marshal.ThrowExceptionForHR(status); } return new ManagementObjectCollection(Scope, o, enumWbem); }

  以上是对ManagementClass类的部分谁明,此类型的所有公共静态成员都是线程安全的。不保证所有实例成员都是线程安全的。

二.ManagementClass类的部分应用:

 1.获得CPU编号

/// <summary>
        /// 获得CPU编号 /// </summary>
        /// <returns></returns>
        public string GetCpuid() { var cpuid = string.Empty; var mc = new ManagementClass("Win32_Processor"); var moc = mc.GetInstances(); foreach (var o in moc) { var mo = (ManagementObject) o; cpuid = mo.Properties["ProcessorId"].Value.ToString(); } return cpuid; }

2.获取硬盘序列号

/// <summary>
        /// 获取硬盘序列号 /// </summary>
        /// <returns></returns>
        public string GetDiskSerialNumber() { //这种模式在插入一个U盘后可能会有不同的结果,如插入我的手机时
            var hDid = string.Empty; var mc = new ManagementClass("Win32_DiskDrive"); var moc = mc.GetInstances(); foreach (var o in moc) { var mo = (ManagementObject) o; hDid = (string)mo.Properties["Model"].Value; //这名话解决有多个物理盘时产生的问题,只取第一个物理硬盘
                break; } return hDid; }

3.获取网卡硬件地址

/// <summary>
        /// 获取网卡硬件地址 /// </summary>
        /// <returns></returns> 
        public string GetMacAddress() { var mac = ""; var mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); var moc = mc.GetInstances(); foreach (var o in moc) { var mo = (ManagementObject) o; if (!(bool) mo["IPEnabled"]) continue; mac = mo["MacAddress"].ToString(); break; } return mac; }

4.获取IP地址

/// <summary>
        /// 获取IP地址 /// </summary>
        /// <returns></returns>
        public string GetIpAddress() { var st = string.Empty; var mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); var moc = mc.GetInstances(); foreach (var o in moc) { var mo = (ManagementObject) o; if (!(bool) mo["IPEnabled"]) continue; var ar = (Array)(mo.Properties["IpAddress"].Value); st = ar.GetValue(0).ToString(); break; } return st; }

5.操作系统的登录用户名

/// <summary>
        /// 操作系统的登录用户名 /// </summary>
        /// <returns></returns> 
        public string GetUserName() { return Environment.UserName; }

6.获取计算机名

/// <summary>
        /// 获取计算机名 /// </summary>
        /// <returns></returns>
        public string GetComputerName() { return Environment.MachineName; }

7.操作系统类型

/// <summary>
        /// 操作系统类型 /// </summary>
        /// <returns></returns> 
        public string GetSystemType() { var st = string.Empty; var mc = new ManagementClass("Win32_ComputerSystem"); var moc = mc.GetInstances(); foreach (var o in moc) { var mo = (ManagementObject) o; st = mo["SystemType"].ToString(); } return st; }

8.物理内存

/// <summary>
        /// 物理内存 /// </summary>
        /// <returns></returns>
        public string GetPhysicalMemory() { var st = string.Empty; var mc = new ManagementClass("Win32_ComputerSystem"); var moc = mc.GetInstances(); foreach (var o in moc) { var mo = (ManagementObject) o; st = mo["TotalPhysicalMemory"].ToString(); } return st; }

9.显卡PNPDeviceID

/// <summary>
        /// 显卡PNPDeviceID /// </summary>
        /// <returns></returns>
        public string GetVideoPnpid() { var st = ""; var mos = new ManagementObjectSearcher("Select * from Win32_VideoController"); foreach (var o in mos.Get()) { var mo = (ManagementObject) o; st = mo["PNPDeviceID"].ToString(); } return st; }

10.声卡PNPDeviceID

/// <summary>
        /// 声卡PNPDeviceID /// </summary>
        /// <returns></returns>
        public string GetSoundPnpid() { var st = string.Empty; var mos = new ManagementObjectSearcher("Select * from Win32_SoundDevice"); foreach (var o in mos.Get()) { var mo = (ManagementObject) o; st = mo["PNPDeviceID"].ToString(); } return st; }

11.CPU版本信息

/// <summary>
        /// CPU版本信息 /// </summary>
        /// <returns></returns>
        public string GetCpuVersion() { var st = string.Empty; var mos = new ManagementObjectSearcher("Select * from Win32_Processor"); foreach (var o in mos.Get()) { var mo = (ManagementObject) o; st = mo["Version"].ToString(); } return st; }

12.CPU名称信息

/// <summary>
        /// CPU名称信息 /// </summary>
        /// <returns></returns>
        public string GetCpuName() { var st = string.Empty; var driveId = new ManagementObjectSearcher("Select * from Win32_Processor"); foreach (var o in driveId.Get()) { var mo = (ManagementObject) o; st = mo["Name"].ToString(); } return st; }

13. CPU制造厂商

/// <summary>
        /// CPU制造厂商 /// </summary>
        /// <returns></returns>
        public string GetCpuManufacturer() { var st = string.Empty; var mos = new ManagementObjectSearcher("Select * from Win32_Processor"); foreach (var o in mos.Get()) { var mo = (ManagementObject) o; st = mo["Manufacturer"].ToString(); } return st; }

14.主板制造厂商

/// <summary>
        /// 主板制造厂商 /// </summary>
        /// <returns></returns>
        public string GetBoardManufacturer() { var query = new SelectQuery("Select * from Win32_BaseBoard"); var mos = new ManagementObjectSearcher(query); var data = mos.Get().GetEnumerator(); data.MoveNext(); var board = data.Current; return board.GetPropertyValue("Manufacturer").ToString(); }

15.主板编号

/// <summary>
        /// 主板编号 /// </summary>
        /// <returns></returns>
        public string GetBoardId() { var st = string.Empty; var mos = new ManagementObjectSearcher("Select * from Win32_BaseBoard"); foreach (var o in mos.Get()) { var mo = (ManagementObject) o; st = mo["SerialNumber"].ToString(); } return st; }

16.主板型号

/// <summary>
        /// 主板型号 /// </summary>
        /// <returns></returns>
        public string GetBoardType() { var st = string.Empty; var mos = new ManagementObjectSearcher("Select * from Win32_BaseBoard"); foreach (var o in mos.Get()) { var mo = (ManagementObject) o; st = mo["Product"].ToString(); } return st; }

   以上的获取硬件信息的方法可以直接封装在一个类中,可以在项目中直接引用,这样可以加快项目的开发速度。

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