Selection Sets and Groups

^AutoCAD allows users to perform many operations on arbitrary sets of entities. The user builds these sets of entities either on an as-needed basis as a selection set or more permanently as a group. Selection sets (also referred to as PickSets) are transient and are destroyed when AutoCAD closes a drawing. Groups, on the other hand, are stored persistently in the drawing file.

This chapter covers the following topics:

• Creating and manipulating selection sets and groups

• Filtering sets of entities using selection set filters

• Interacting with users by building dynamic selection sets

• Working with the PickFirst selection set

• Manipulating groups

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