在C#中操作注册表

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using Microsoft.Win32;
    using System.Diagnostics;
    private void Access_Registry()
    {
         // 在HKEY_LOCAL_MACHINESoftware下建立一新键，起名为MCBInc
            RegistryKey key = Registry.LocalMachine.OpenSubKey("Software", true);
         // 增加一个子键
            RegistryKey newkey = key.CreateSubKey("MCBInc");

// 设置此子键的值
newkey.SetValue("MCBInc", "NET Developer");

// 从注册表的其他地方获取数据

// 找出你的CPU
            RegistryKey pRegKey = Registry.LocalMachine;
            pRegKey = pRegKey.OpenSubKey("HARDWAREDESCRIPTIONSystemCentralProcessor");
            Object val = pRegKey.GetValue("VendorIdentifier");
            Debug.WriteLine("The central processor of this machine is:"+ val);
         // 删除键值
            RegistryKey delKey = Registry.LocalMachine.OpenSubKey("Software", true);
            delKey.DeleteSubKey("MCBInc");
    }