标签：
使用命令: ACADVER
ACADVER = "17.2s (LMS Tech)" (只读)
CAD2016
ACADVER = "20.1s (LMS Tech)" (只读)
CAD2015
ACADVER = "20.0s (LMS Tech)" (只读)
CAD2013
ACADVER = "19.0s (LMS Tech)" (只读)
CAD2010
ACADVER = "18.0s (LMS Tech)" (只读)
CAD2009
ACADVER = "17.2s (LMS Tech)" (只读)
读取系统变量的返回结果即可判断当前打开的CAD版本
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原文地址：http://www.cnblogs.com/nightnine/p/5504452.html
