转：http://blog.csdn.net/smartsmile2012/article/details/8682295

#region 获取cpu序列号 硬盘ID 网卡硬地址/**////  <summary> /// 获取cpu序列号   ///  </summary> ///  <returns>string </returns> public static string GetCpuInfo(){string cpuInfo = "";ManagementClass cimobject = new ManagementClass("Win32_Processor");ManagementObjectCollection moc = cimobject.GetInstances();foreach (ManagementObject mo in moc){cpuInfo = mo.Properties["ProcessorId"].Value.ToString();}return cpuInfo.ToString();}/**////  <summary> /// 获取硬盘ID   ///  </summary> ///  <returns>string </returns> public static string GetHDid(){string HDid = "";ManagementClass cimobject1 = new ManagementClass("Win32_DiskDrive");ManagementObjectCollection moc1 = cimobject1.GetInstances();foreach (ManagementObject mo in moc1){HDid = (string)mo.Properties["Model"].Value;}return HDid.ToString();}/**////  <summary> /// 获取网卡硬件地址 ///  </summary> ///  <returns>string </returns> public static string GetMoAddress(){string MoAddress = "";ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");ManagementObjectCollection moc2 = mc.GetInstances();foreach (ManagementObject mo in moc2){if ((bool)mo["IPEnabled"] == true)MoAddress = mo["MacAddress"].ToString();mo.Dispose();}return MoAddress.ToString();}#endregion#region 操作注册表/// <summary>/// 读取指定名称的注册表的值/// </summary>/// <param name="name">注册表值</param>/// <returns></returns>private static string GetRegistData(string name){string registData;RegistryKey hkml = Registry.LocalMachine;RegistryKey software = hkml.OpenSubKey("SOFTWARE", true);RegistryKey aimdir = software.OpenSubKey("CSharpCode", true);registData = aimdir.GetValue(name).ToString();return registData;}/// <summary>/// 注册表中写数据 /// </summary>/// <param name="name">注册表</param>/// <param name="tovalue">值</param>private void WTRegedit(string name, string tovalue){RegistryKey hklm = Registry.LocalMachine;RegistryKey software = hklm.OpenSubKey("SOFTWARE", true);RegistryKey aimdir = software.CreateSubKey("CSharpCode");aimdir.SetValue(name, tovalue);}/// <summary>/// .删除注册表中指定的注册表项/// </summary>/// <param name="name">注册表</param>private void DeleteRegist(string name){string[] aimnames;RegistryKey hkml = Registry.LocalMachine;RegistryKey software = hkml.OpenSubKey("SOFTWARE", true);RegistryKey aimdir = software.OpenSubKey("CSharpCode", true);aimnames = aimdir.GetSubKeyNames();foreach (string aimKey in aimnames){if (aimKey == name)aimdir.DeleteSubKeyTree(name);}}/// <summary>/// 判断指定注册表项是否存在/// </summary>/// <param name="name">注册表</param>/// <returns></returns>private static bool IsRegeditExit(string name){bool _exit = false;string[] subkeyNames;RegistryKey hkml = Registry.LocalMachine;RegistryKey software = hkml.OpenSubKey("SOFTWARE", true);subkeyNames = software.GetSubKeyNames();foreach (string keyName in subkeyNames){if (keyName == name){_exit = true;return _exit;}}return _exit;} #endregion