The following table provides summary
descriptions of the AutoLISP extended data-handling functions.
Extended
data-handling functions
|
Function
|
Description
|
(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
|