Thanks for the tips, I'll try GitHub and some Documentation, but there's only 3 actual classes with very few functions, so I doubt it's hard to understand, but I guess I should start documentation now.
EDIT: Visual C++ 2010 keeps button as a Restricted Classname, so I set it to Render_Button because I didn't want to come up with a good name, sorry ;)

Thanks for the tips, I'll try GitHub and some Documentation, but there's only 3 actual classes with very few functions, so I doubt it's hard to understand, but I guess I should start documentation now.