关于OpenDCl的源码，利用它可以学会制作AutoCAD开发时的对话框-kuaisu gaoxiao kaifa DCL dialog

这是一个pdf文件，一个关于opendcl的一个教程pdf文件(This is a PDF file, a tutorial on opendcl, PDF file)

打开和预览dcl文件，显示对话框效果。使用平台：AutoCAD。编写语言lisp。(View and pen dcl document to show the visual effect of the dcl dialog. The reason is that the dcl code couldn't show the dialog straightly by the dcl document. The working environment is AutoCAD, and the lang