cad_toolbox源码，提供给和我当时做这个工具箱时一样的初学者，一些参考例子。 -cad_toolbox source, available to everyone like I was doing this same kit for beginners as some reference examples.

cad开发工具包cadlib，有利于cad图形的开发学习，不必从底层做起-cad development kit cadlib, conducive to the development of learning cad graphics without having to start from the bottom

The 4.3" Ultra-high Resolution LCD Touch Panel Development Kit provides users a 800x480 full-color high-quality LCD Touch Panel with complete reference designs and source code allowing users to develop applications by a touch panel on the Altera