Selection Set Manipulation Functions Reference (AutoLISP)

The following table provides summary descriptions of the AutoLISP selection set manipulation functions.

Selection set manipulation functions		Platforms
		Windows		Mac OS		Web
Function	Description	AutoCAD	AutoCAD LT	AutoCAD	AutoCAD LT	AutoCAD
(ssadd [ename [ss]])	Adds an object (entity) to a selection set, or creates a new selection set	✓	✓	✓	--	✓
(ssdel ename ss)	Deletes an object (entity) from a selection set	✓	✓	✓	--	✓
(ssget [mode] [pt1 [pt2]] [pt-list] [filter-list])	Prompts the user to select objects (entities), and returns a selection set	✓	✓	✓	--	✓
(ssgetfirst)	Determines which objects are selected and gripped	✓	✓	✓	--	✓
(sslength ss)	Returns an integer containing the number of objects (entities) in a selection set	✓	✓	✓	--	✓
(ssmemb ename ss)	Tests whether an object (entity) is a member of a selection set	✓	✓	✓	--	✓
(ssname ss index)	Returns the object (entity) name of the indexed element of a selection set	✓	✓	✓	--	✓
(ssnamex ss index)	Retrieves information about how a selection set was created	✓	✓	✓	--	✓
(sssetfirst gripset [pickset])	Sets which objects are selected and gripped	✓	✓	✓	--	✓