ACIS的开发例程，对初学者有一定帮助。主要展示如何配置和进行初步开发-ACIS development routines for beginners。Mainly show you how to configure and conduct a preliminary development

这里例子代码展示了如何在AutoCAD里面创建用户自己的非模态对话框。源代码显示了所有的使用技巧和注意事项。-The code is demonstrating the skills how to create a modeless dialog in AutoCAD. It shows all the tricks and notes.