The command line interface provides an important method for controlling AutoCAD. For many users, it is the primary input method. The command line is also used for displaying and selecting command options.
The command line interface prompts the user with instructions, which may include a list of options, a list of current settings, and a default value. Instructions can be as simple as
Select objects:
or as complex as
Attach/Rotation/Style/Height/Direction/Width/2Points/<Other corner>:
The following guidelines should be used when implementing your application's AutoCAD command line interface.
Changes to command line prompts should not affect the functionality of scripts or LISP compatibility of the existing command set.