屏蔽和开启”关机“功能

        private void button1_Click(object sender, EventArgs e)
        {
            RegistryKey rk = Registry.CurrentUser.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Policies\Explorer");
            rk.SetValue("NoClose",1);
            MessageBox.Show("屏蔽关机功能成功");
        }
        private void button2_Click(object sender, EventArgs e)
        {
            RegistryKey rk = Registry.CurrentUser.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Policies\Explorer");
            rk.SetValue("NoClose", 0);
            MessageBox.Show("开启关机功能成功，重新启动生效");
        }