禁止更改颜色选项

实现效果:

　　

 知识运用：

　　PoliciesSystem子键的NoDispAppearancePage键值

实现代码：

        private void button1_Click(object sender, EventArgs e)
        {
            RegistryKey rk = Registry.CurrentUser.CreateSubKey(@"SoftwareMicrosoftWindowsCurrentVersionPoliciesSystem");
            rk.SetValue("NoDispAppearancePage",1,RegistryValueKind.DWord);
            MessageBox.Show("设置成功!");
        }
        private void button2_Click(object sender, EventArgs e)
        {
            RegistryKey rk = Registry.CurrentUser.CreateSubKey(@"SoftwareMicrosoftWindowsCurrentVersionPoliciesSystem");
            rk.SetValue("NoDispAppearancePage", 0, RegistryValueKind.DWord);
            MessageBox.Show("设置成功!");
        }