实现VC++读取CAD的dxf文件，并在单文档中还原图形-VC++ implementation of CAD dxf file to read, and restore the graphics in a single document

读取CAD保存的DXF文件格式，并显示图形！只是支持线、圆、弧！-read the file of dxf format ,and display the graphics on vc panel.

VC读取DWG文件的方法,里边有使用说明,适合初学者-VC read DWG file, inside there are instructions for use, suitable for beginners

选择CAD实体，将实体的点位信息输出到一个文本文件中。对于刚接触ObjectARX编程的童鞋还是很有用的，可以清楚的了解CAD中部分类型实体的数据结构。VS2005+ObjectARX2007，个人编写。-Select CAD entities and write entities pts to a text file.It is helpful for those learn ObjectARX and C++.You can learn something about ARX Entiti