The International Component for Unicode (ICU) library can save you from being hopelessly mired in numerous character encodings as your C/C++ application matures into internationalization and localization.
Latest Multi-Lingual Support Articles
Learn about UTF-8 encoding of UNICODE characters.
Lots of hot topics are covered in the Discussion Forums on CodeGuru.
Adding multilanguage support to your application
Multilingual Applications - Switching Languages
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Here, the proverbial rubber meets the road. Finish this project and create a working magnifier.
Take a look at most of the available environment variables on Windows systems, and what information they can supply. Examples are in C# and VB.NET.
Discover the world of Portable Class Libraries (PCLs) and how they can work for you.