Dictionary Functions Reference (AutoLISP/ActiveX)

Note: ActiveX support in AutoLISP is limited to Windows only.

The following table provides summary descriptions of the AutoLISP dictionary functions.

Dictionary functions
Function	Description
(vlax-ldata-delete dict key)	Erases AutoLISP data from a drawing dictionary
(vlax-ldata-get dict key [ default-data])	Retrieves AutoLISP data from a drawing dictionary
(vlax-ldata-list dict)	Lists AutoLISP data in a drawing dictionary
(vlax-ldata-put dict key data)	Stores AutoLISP data in a drawing dictionary
(vlax-ldata-test data)	Determines whether data can be saved over a session boundary