Dictionary Functions Reference (AutoLISP/ActiveX)

Note: ActiveX support in AutoLISP is limited to Windows only; not available on Mac OS or Web.

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

Dictionary functions		Platforms
		Windows		Mac OS		Web
Function	Description	AutoCAD	AutoCAD LT	AutoCAD	AutoCAD LT	AutoCAD
(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	✓	✓	--	--	--