Extended Data-Handling Functions

The following table provides summary descriptions of the AutoLISP extended data-handling functions.

Extended data-handling functions



( regapp application)

Registers an application name with the current AutoCAD drawing in preparation for using extended object data

( xdroom ename)

Returns the amount of extended data (xdata) space that is available for an object (entity)

( xdsize lst)

Returns the size (in bytes) that a list occupies when it is linked to an object (entity) as extended data