在AUTOCAD下的VBA工程，通过做图方式检测NC文件的刀具路径是否正确。包含多种指令的解释，可作为VBA开发例程与NC代码学习用。-In VBA under AUTOCAD engineering, make plans the way through the detection of NC tool path files are correct. Contains a variety of instructions explained that VBA can be used as the