Want to learn more about these classes? Watch the tutorials here: https://www.youtube.com/playlist?list=PL4CCSwmU04MhI6oeuUZ-NRvhEye65PlFx
These classes are pretty old, but they may be useful to someone out there. They were mainly created to serve as a platform for learning how to manipulate Unity3D UI elements with the (then) new 4.6 UI API.