如何在C#中获取注册表写入权限

using System;
using System.Security.AccessControl;
using System.Security.Principal;

public class RegistryAccess
{
    public static void Main()
    {
        string keyName = @"HKEY_LOCAL_MACHINE\SOFTWARE\MyApp";

        // 打开注册表项
        RegistryKey key = Registry.LocalMachine.OpenSubKey(keyName, true);

        // 设置注册表项的访问控制
        RegistrySecurity rs = new RegistrySecurity();
        rs.AddAccessRule(new RegistryAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null), RegistryRights.FullControl, InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Allow));
        key.SetAccessControl(rs);

        // 将新的访问控制规则添加到注册表项的访问控制列表中
        RegistryAccessRule rule = new RegistryAccessRule(@"BUILTIN\Users", RegistryRights.FullControl, InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Allow);
        rs.AddAccessRule(rule);
        key.SetAccessControl(rs);

        // 使用Flush方法将更改保存到注册表项
        key.Flush();
    }
}