using System.Management; //需要在解决方案中引用System.Management.DLL文件

 

/// <summary>

 /// 取CPU编号

 /// </summary>

 /// <returns></returns>

         public static string GetCpuID()

         {

             try

             {

                 ManagementClass mc = new ManagementClass("Win32_Processor");

                 ManagementObjectCollection moc = mc.GetInstances();

                 string strCpuID = null;

                 foreach (ManagementObject mo in moc)

                 {

                     strCpuID = mo.Properties["ProcessorId"].Value.ToString();

                     break;

                 }

                 return strCpuID;

             }

             catch

             {

                 return "";

             }

         }

 

         /// <summary>

 /// 取第一块硬盘编号

 /// </summary>

 /// <returns></returns>

         public static string GetHardDiskID()

         {

             try

             {

                 ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_PhysicalMedia");

                 string strHardDiskID = null;

                 foreach (ManagementObject mo in searcher.Get())

                 {

                     strHardDiskID = mo["SerialNumber"].ToString().Trim();

                     break;

                 }

                 return strHardDiskID;

             }

             catch

             {

                 return "";

             }

         }

 

         /// <summary>

 /// 获取网卡MAC地址

 /// </summary>

 /// <returns></returns>

         public static string GetNetCardMAC()

         {

             try

             {

                 string stringMAC = "";

                 ManagementClass MC = new ManagementClass("Win32_NetworkAdapterConfiguration");

                 ManagementObjectCollection MOC = MC.GetInstances();

                 foreach (ManagementObject MO in MOC)

                 {

                     if ((bool)MO["IPEnabled"] == true)

                     {

                         stringMAC += MO["MACAddress"].ToString();

 

                     }

                 }

                 return stringMAC;

             }

             catch

             {

                 return "";

             }

         }

 

         /// <summary>

 /// 获取硬盘信息的代码

 /// </summary>

 /// <param name="drvID"></param>

 /// <returns></returns>

         public static string GetVolOf(string drvID)

         {

             try

             {

                 const int MAX_FILENAME_LEN = 256;

                 int retVal = 0;

                 int a = 0;

                 int b = 0;

                 string str1 = null;

                 string str2 = null;

                 int i = GetVolumeInformation(drvID + @":/", str1, MAX_FILENAME_LEN, ref retVal, a, b, str2, MAX_FILENAME_LEN);

                 return retVal.ToString("x");

             }

             catch

             {

                 return "";

             }

         }

 

         /// <summary>

 /// 获取当前网卡IP地址

 /// </summary>

 /// <returns></returns>

         public static string GetNetCardIP()

         {

             try

             {

                 string stringIP = "";

                 ManagementClass MC = new ManagementClass("Win32_NetworkAdapterConfiguration");

                 ManagementObjectCollection MOC = MC.GetInstances();

                 foreach (ManagementObject MO in MOC)

                 {

                     if ((bool)MO["IPEnabled"] == true)

                     {

                         string[] IPAddresses = (string[])MO["IPAddress"];

                         if (IPAddresses.Length > 0)

                         {

                             stringIP = IPAddresses[0].ToString();

                         }

                     }

                 }

                 return stringIP;

             }

             catch

             {

                 return "";

             }

         }

 

         #region 调用注册表返回本地串口

         /// <summary>

 /// 串口函数(方法需调用注册表,串口编程所用类)

 /// </summary>

 /// 使用命名空间：

 /// using System.Security;

 /// using System.Security.Permissions;

 /// <returns>返回此计算机串口数组</returns>

         public static string[] GetPortNames()//

         {

             RegistryKey localMachine = null;

             RegistryKey key2 = null;

             string[] textArray = null;//这里有个判断，判断该注册表项是否存在    

             new RegistryPermission(RegistryPermissionAccess.Read, @"HKEY_LOCAL_MACHINE/HARDWARE/DEVICEMAP/SERIALCOMM").Assert();

             try

             {

                 localMachine = Registry.LocalMachine;

                 key2 = localMachine.OpenSubKey(@"HARDWARE/DEVICEMAP/SERIALCOMM", false);

                 if (key2 != null)

                 {

                     string[] valueNames = key2.GetValueNames();

                     textArray = new string[valueNames.Length];

                     for (int i = 0; i < valueNames.Length; i++)

                     {

                         textArray[i] = (string)key2.GetValue(valueNames[i]);

                     }

                 }

             }

             finally

             {

                 if (localMachine != null)

                 {

                     localMachine.Close();

                 } if (key2 != null)

                 {

                     key2.Close();

                 }

                 CodeAccessPermission.RevertAssert();

             } if (textArray == null)

             {

                 textArray = new string[0];

             }

             return textArray;

         }

         #endregion