取硬盘号

      先添加Managerment的引用！

       using System.Management;

 

       public 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;
        }