Enter register key into the system

  Microsoft.Win32.RegistryKey ckey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(@”SYSTEM\CurrentControlSet\Services\service1″, true);            if(ckey != null)            {                if(ckey.GetValue(“Type”) != null)                {                    ckey.SetValue(“Type”, ((int)ckey.GetValue(“Type”) | 256));                }            }