用VBA实现常用尺寸公差的自动标注

The marking of normal dimension tolerance automatically by visual basic for application

提出了用 AutoCAD内置的 VBA语言，通过编程实现尺寸公差的自动标注方法，该法以对话框进行人机交互，程序能自动查找尺寸上下偏差，并依需要与否将其写入尺寸标注文本中，给尺寸公差标注带来了极大的方便。

： The method of marking normal dimension tolerance automatically by VBA in AutoCAD environment is proposed. A dialog is provided for user to interact with computer. The limit deviation of size could be searched automatically and written in the dimension text if necessary. So facilities is provided in the marking of dimension tolerance.