一个开源的基于GDI的GUI引擎，实现了不少界面特效，值得关注,An open source of the GUI-based GDI engine, to achieve a lot of interface effects is a cause of concern

SonicUI源代码，是一个基于GDI的2D引擎库，效率非常高采用SEE指优化技术。并且使用方便支持多种图像特效。,This is a GUI engine based on the nake gdi APIs.It offers several UI components to accomplish kinds of complex effects, such as irregular windows, URLs on windows, self-draw buttons, animait

sonicui_src.zip GDI+超酷UI,开源随便用，随便改-GDI Plus

包装的MFC界面库，以后使用MFC做界面,实现一些效果就很方便了。-MFC interface library package, for future use MFC to do the interface to achieve some results very convenient.