(regapp appname)

Register the application.

This function adds the application name to the drawing's list of registered applications. You can register as many applications as you like in each drawing. This application name is registered in the APPID symbol table and is used for grouping together extended entity data assigned to entities. This allows individual applications to recognize their own extended entity data.

The application name itself can be up to 255 characters long, and can contain letters, digits, and special characters. It cannot contain spaces. If the application name already exists, nil is returned.

Examples

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(setfunhelp "c:filename" [helpfile [topic [command-name]]]])

(xload appname [flag])

LISP Compatibility

Programming Overview of LISP (LISt Processing) Language