C#使用ManagementClass获取计算器硬件信息

目前我了解的获取硬件信息主要有三种方式，具体如下：

1、读取注册表。

2、使用系统API。

３、使用ManagementClass。

下面主要说说如果使用ManagementClass类来获取计算机上CPU、内存、硬盘、网卡、显示、声卡等信息。

1、新建Console控制台项目。

２、添加ManagementClass类引用。

３、定义要获取硬件类型枚举，不创建枚举类型也可以，在创建ManagementClass对象时直接传字符串。

public enum WindowsAPIType{/// <summary>/// 内存/// </summary>Win32_PhysicalMemory,/// <summary>/// cpu/// </summary>Win32_Processor,/// <summary>/// 硬盘/// </summary>win32_DiskDrive,/// <summary>/// 电脑型号/// </summary>Win32_ComputerSystemProduct,/// <summary>/// 分辨率/// </summary>Win32_DesktopMonitor,/// <summary>/// 显卡/// </summary>Win32_VideoController,/// <summary>/// 操作系统/// </summary>Win32_OperatingSystem}

4、硬件信息是以键值对形式返回的，所以在定义要获取信息的键值枚举。

public enum WindowsAPIKeys{/// <summary>/// 名称/// </summary>Name,/// <summary>/// 显卡芯片/// </summary>VideoProcessor,/// <summary>/// 显存大小/// </summary>AdapterRAM,/// <summary>/// 分辨率宽/// </summary>ScreenWidth,/// <summary>/// 分辨率高/// </summary>ScreenHeight,/// <summary>/// 电脑型号/// </summary>Version,/// <summary>/// 硬盘容量/// </summary>Size,/// <summary>/// 内存容量/// </summary>Capacity,/// <summary>/// cpu核心数/// </summary>NumberOfCores}

５、创建获取硬件信息单例类

public class Computer{private static Computer _instance;private static readonly object _lock = new object();private Computer(){ }public static Computer CreateComputer(){if (_instance == null){lock (_lock){if (_instance == null){_instance = new Computer();}}}return _instance;}public string GetMACString(){ManagementClass mAdapter = new ManagementClass("Win32_NetworkAdapterConfiguration");ManagementObjectCollection mo = mAdapter.GetInstances();foreach (ManagementBaseObject m in mo){if ((bool)m["IpEnabled"] == true){return m["MacAddress"].ToString();}}mo.Dispose();return null;}/// <summary>/// 查找cpu的名称，主频, 核心数/// </summary>/// <returns></returns>public Tuple<string, string> GetCPU(){Tuple<string, string> result = null;try{string str = string.Empty;ManagementClass mcCPU = new ManagementClass(WindowsAPIType.Win32_Processor.ToString());ManagementObjectCollection mocCPU = mcCPU.GetInstances();foreach (ManagementObject m in mocCPU){string name = m[WindowsAPIKeys.Name.ToString()].ToString();string[] parts = name.Split('@');result = new Tuple<string, string>(parts[0].Split('-')[0] + "处理器", parts[1]);break;}}catch{}return result;}/// <summary>/// 获取CPU的个数/// </summary>/// <returns></returns>public int GetCpuCount(){try{using (ManagementClass mCpu = new ManagementClass("Win32_Processor")){ManagementObjectCollection cpus = mCpu.GetInstances();return cpus.Count;}}catch{}return -1;}/// <summary>/// 获取CPU的频率 这里之所以使用string类型的数组，主要是因为cpu的多核/// </summary>/// <returns></returns>public string[] GetCpuMHZ(){ManagementClass mc = new ManagementClass("Win32_Processor");ManagementObjectCollection cpus = mc.GetInstances();string[] mHz = new string[cpus.Count];int c = 0;ManagementObjectSearcher mySearch = new ManagementObjectSearcher("select * from Win32_Processor");foreach (ManagementObject mo in mySearch.Get()){mHz[c] = mo.Properties["CurrentClockSpeed"].Value.ToString();c++;}mc.Dispose();mySearch.Dispose();return mHz;}/// <summary>/// 获取cpu核心数/// </summary>/// <returns></returns>public string GetCPU_Count(){string str = "查询失败";try{int coreCount = 0;foreach (var item in new System.Management.ManagementObjectSearcher("Select * from " +WindowsAPIType.Win32_Processor.ToString()).Get()){coreCount += int.Parse(item[WindowsAPIKeys.NumberOfCores.ToString()].ToString());}if (coreCount == 2){return "双核";}str = coreCount.ToString() + "核";}catch{}return str;}/// <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;}/// <summary>/// 获取系统内存大小/// </summary>/// <returns>内存大小（单位M）</returns>public string GetPhisicalMemory(){ManagementObjectSearcher searcher = new ManagementObjectSearcher();   //用于查询一些如系统信息的管理对象 searcher.Query = new SelectQuery(WindowsAPIType.Win32_PhysicalMemory.ToString(), "",new string[] { WindowsAPIKeys.Capacity.ToString() });//设置查询条件 ManagementObjectCollection collection = searcher.Get();   //获取内存容量 ManagementObjectCollection.ManagementObjectEnumerator em = collection.GetEnumerator();long capacity = 0;while (em.MoveNext()){ManagementBaseObject baseObj = em.Current;if (baseObj.Properties[WindowsAPIKeys.Capacity.ToString()].Value != null){try{capacity += long.Parse(baseObj.Properties[WindowsAPIKeys.Capacity.ToString()].Value.ToString());}catch{return "查询失败";}}}return ToGB((double)capacity, 1024.0);}/// <summary>  /// 将字节转换为GB/// </summary>  /// <param name="size">字节值</param>  /// <param name="mod">除数，硬盘除以1000，内存除以1024</param>  /// <returns></returns>  public static string ToGB(double size, double mod){String[] units = new String[] { "B", "KB", "MB", "GB", "TB", "PB" };int i = 0;while (size >= mod){size /= mod;i++;}return Math.Round(size) + units[i];}/// <summary>/// 获取硬盘容量/// </summary>public string GetDiskSize(){string result = string.Empty;StringBuilder sb = new StringBuilder();try{string hdId = string.Empty;ManagementClass hardDisk = new ManagementClass(WindowsAPIType.win32_DiskDrive.ToString());ManagementObjectCollection hardDiskC = hardDisk.GetInstances();foreach (ManagementObject m in hardDiskC){long capacity = Convert.ToInt64(m[WindowsAPIKeys.Size.ToString()].ToString());sb.Append(ToGB(capacity, 1000.0) + "+");}result = sb.ToString().TrimEnd('+');}catch{}return result;}/// <summary>/// 电脑型号/// </summary>public string GetVersion(){string str = "查询失败";try{string hdId = string.Empty;ManagementClass hardDisk = new ManagementClass(WindowsAPIType.Win32_ComputerSystemProduct.ToString());ManagementObjectCollection hardDiskC = hardDisk.GetInstances();foreach (ManagementObject m in hardDiskC){str = m[WindowsAPIKeys.Version.ToString()].ToString(); break;}}catch{}return str;}/// <summary>/// 获取分辨率/// </summary>public string GetFenbianlv(){string result = "1920*1080";try{string hdId = string.Empty;ManagementClass hardDisk = new ManagementClass(WindowsAPIType.Win32_DesktopMonitor.ToString());ManagementObjectCollection hardDiskC = hardDisk.GetInstances();foreach (ManagementObject m in hardDiskC){result = m[WindowsAPIKeys.ScreenWidth.ToString()].ToString() + "*" +
m[WindowsAPIKeys.ScreenHeight.ToString()].ToString();break;}}catch{}return result;}/// <summary>/// 显卡 芯片,显存大小/// </summary>public Tuple<string, string> GetVideoController(){Tuple<string, string> result = null;try{ManagementClass hardDisk = new ManagementClass(WindowsAPIType.Win32_VideoController.ToString());ManagementObjectCollection hardDiskC = hardDisk.GetInstances();foreach (ManagementObject m in hardDiskC){foreach (var v in m.Properties){Console.WriteLine(v.Name + "     " + v.Value);//VideoModeDescription     1920 x 1080 x 4294967296 种颜色}result = new Tuple<string, string>(m[WindowsAPIKeys.VideoProcessor.ToString()].ToString()
.Replace("Family", ""), ToGB(Convert.ToInt64(m[WindowsAPIKeys.AdapterRAM.ToString()].ToString()), 1024.0));break;}}catch{}return result;}/// <summary>/// 操作系统版本/// </summary>public string GetOS_Version(){string str = "Windows 10";try{string hdId = string.Empty;ManagementClass hardDisk = new ManagementClass(WindowsAPIType.Win32_OperatingSystem.ToString());ManagementObjectCollection hardDiskC = hardDisk.GetInstances();foreach (ManagementObject m in hardDiskC){foreach (var v in m.Properties){Console.WriteLine(v.Name + "         " + v.Value);}str = m[WindowsAPIKeys.Name.ToString()].ToString().Split('|')[0].Replace("Microsoft", "");break;}}catch{}return str;}}

６、大家可以参考 https://www.cnblogs.com/jephone/博客，查看每种硬件信息Key－Value说明。

c#获取电脑硬件信息参数说明(硬盘篇 Win32_DiskDrive)

c#获取电脑硬件信息参数说明(CPU篇 Win32_Processor)

c#获取电脑硬件信息参数说明(概述)

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