CAD tip # 3968:

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Less known options of the (ssget) LISP function

The AutoLISP "Select objects" function 'ssget' offers several useful modifiers which are undocumented and unknown for many users. Besides usual documented formats like (ssget) or (ssget "_X"), (ssget "_W"), (ssget "_C") etc. you can use in your programs or macros e.g.:

(ssget "_:S") - selecting a single selection (for single object use "_:S+.")
(ssget "_:E") - selecting all objects crossing the selection box (can be also combined to e.g. (ssget "_:E:S")
(ssget "_:N") - selecting objects including nested/child objects - e.g. with block references, polymeshes, etc.
(ssget "_:D") - duplicate objects counted separately (2x selected object = 2 selections)
(ssget "_:L") - stops users from selecting objects on locked layers
(ssget "_:P") - rejects selection of viewports
(ssget "_:R") - allow selection in long transactions
(ssget "_:U") - enable subentity selection with Ctrl
(ssget "_:V") - force subentity selection
(ssget "+?) - add selected mode - L=Last, A=All, P=Previous - e.g. (ssget "_:S+L+P")
(ssget "-?) - remove selected mode - L=Last, A=All, G=Group, P=Previous - e.g. (ssget "-M-A")
(ssget "_+.") - allows window selection even in the single selection mode - e.g. (ssget "_+.:E:S") (may not work in some localized versions of AutoCAD)

ACADADTMapACADM

*CAD

6.8.2004 37201×

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this tip shared by ARKANCE experts applies to: AutoCAD · AutoCAD Architecture · AutoCAD Map 3D · AutoCAD Mechanical ·

See also:
Tip 14620:	Converting object data (OD) to XData (XD) in AutoCAD Map 3D.
Tip 13737:	Formatting leading zeros in AutoCAD fields (and automatic field update).
Tip 13716:	HYPERLIST - list of all used URLs.
Tip 13688:	How to select all DWG objects of a certain type in AutoCAD LT? (texts, circles...)
Tip 13049:	Bulk 3D rotation of selected objects around individual axes.

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