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();
    }
}