See how to map the higher level APIs from josemesona/Win32Ex

See if and how to map the higher-level APIs from j[osemesona/Win32Ex](https://github.com/josemesona/Win32Ex). If needed, help him port the P/Invokes to [arlm/pinvoke](https://github.com/arlm/pinvoke) so that we can PR upstream.
