获取CPU序列号、网卡MAC地址、硬盘序列号

<pre name="code" class="csharp"> using System;   using System.Collections; using System.Management;public class OneProgram{    public static void Main()    {        Console.WriteLine("HostName:{0}", HardwareInfo.GethostName());        Console.WriteLine("CPU:{0}", HardwareInfo.GetCPUSerialNumber());        Console.WriteLine("Harddisk:{0}", HardwareInfo.GetDiskSerialNumber());        Console.WriteLine("MAC:{0}", HardwareInfo.GetMacAddress());        Console.ReadLine();    }}class HardwareInfo{    /// <summary>    /// 取机器名    /// </summary>    /// <returns></returns>    public static string GethostName()    {        return System.Net.Dns.GetHostName();    }    /// <summary>    /// 获取CPU序列号    /// </summary>    /// <returns></returns>    public static string GetCPUSerialNumber()    {        string cpuSerialNumber = string.Empty;        ManagementClass mc = new ManagementClass("Win32_Processor");        ManagementObjectCollection moc = mc.GetInstances();        foreach (ManagementObject mo in moc)        {            cpuSerialNumber = mo["ProcessorId"].ToString();            break;        }        mc.Dispose();        moc.Dispose();        return cpuSerialNumber;    }    /// <summary>    /// 获取硬盘序列号    /// </summary>    /// <returns></returns>    public static string GetDiskSerialNumber()    {        ManagementObjectSearcher mos = new ManagementObjectSearcher();        mos.Query = new SelectQuery("Win32_DiskDrive", "", new string[] { "PNPDeviceID", "Signature" });        ManagementObjectCollection myCollection = mos.Get();        ManagementObjectCollection.ManagementObjectEnumerator em = myCollection.GetEnumerator();        em.MoveNext();        ManagementBaseObject moo = em.Current;        string id = moo.Properties["signature"].Value.ToString().Trim();        return id;    }    /// <summary>    /// 获取网卡MAC地址     /// </summary>    /// <returns></returns>    public static string GetMacAddress()    {        string _MacAddress = "";        ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");        ManagementObjectCollection moc2 = mc.GetInstances();        foreach (ManagementObject mo in moc2)        {            if ((bool)mo["IPEnabled"] == true)                _MacAddress = mo["MacAddress"].ToString();            mo.Dispose();        }        return _MacAddress.ToString();    }}