C#操作注册表

using Microsoft.Win32;


    public void SetStartPage(string StartPage)
    {
        RegistryKey rk0 = Registry.CurrentUser;
        RegistryKey rk1 = rk0.OpenSubKey("Software", true);
        RegistryKey rk2 = rk1.OpenSubKey("Microsoft", true);
        RegistryKey rk3 = rk2.OpenSubKey("Internet Explorer",true);
        RegistryKey rk4 = rk3.OpenSubKey("Main",true);
        rk4.SetValue("Start Page",StartPage);
        rk4.Close();
    }

这个示例是更改IE首页的 本人测试成功