获取网卡与硬盘序列号

using System;
using System.Management;

namespace NetCard
{
 /// <summary>
 /// 读取设备
 /// </summary>
 public class run
 {
  private ManagementClass mc;
  private ManagementObjectCollection moc;
  private ManagementObject disk;
  public run()
  {}
  /// <summary>
  /// 取得设备网卡的MAC地址
  /// </summary>
  public string GetNetCardMacAddress()
  {
   mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
   moc = mc.GetInstances();
   string str = "";
   foreach(ManagementObject mo in moc)
   {
    if((bool)mo["IPEnabled"] == true)
     str = mo["MacAddress"].ToString();
     
   }
   return str;
  }
  /// <summary>
  /// 取得设备硬盘的卷标号
  /// </summary>
  /// <returns></returns>
  public string GetDiskVolumeSerialNumber()
  {
   mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
   disk = new ManagementObject("win32_logicaldisk.deviceid=\"c:\"");
   disk.Get();
   return disk.GetPropertyValue("VolumeSerialNumber").ToString();
  }
 }
}