读取windows注册表里的内容2

private void Form1_Load(object sender, EventArgs e)
        {
            //清除listBox1中的值
            listBox1.Items.Clear();

            //创建RegistryKey实例
            RegistryKey regkey = Registry.LocalMachine;

            //使用OpenSubKey方法打开HKEY_LOCAL_MACHINE\SOFTWARE键下的所有子项目
            RegistryKey sys = regkey.OpenSubKey(@"SOFTWARE");

            //使用两个foreach语句检索HKEY_LOCAL_MACHINE\SOFTWARE键下的所有子项目
            foreach (string str in sys.GetSubKeyNames())
            {
                this.listBox1.Items.Add("子项名："+str);
                //打开子键
                RegistryKey sikey = sys.OpenSubKey(str);
                foreach(string sVName in sikey.GetValueNames())
                {
                    this.listBox1.Items.Add(sVName+sikey.GetValue(sVName));
                }
            }
        }