Dime程序源码，包含Dxf文件分类结构以及每一种元素类型的源码，适合CAD软件开发人员参考学习-Dime program source code contains the the Dxf file classification structure as well as the source of each element type, suitable for CAD software developers of learning

《VBA数字成图》非常好用的测量画图软件，功能强大，容易学习参考，代码分类清晰明了。("VBA digital mapping" is very useful for surveying and mapping software, powerful, easy to learn reference, code classification clear and clear.)