 
            public enum RegistryAccessFlags| Default | 0 | Use default registry (e.g. 32 bit registry on 32-bit binaries, 64-bit registry on x64 binaries). | 
| WoW64_32bit | 1 | Force the use of Win32 registry (used by WoW64 applications) if it is available. | 
| SystemNative | 2 | Force the use of system native registry (e.g. x64 registry if it is available). |