To chain select objects

1. Inside a command that accepts chain selection (such as Join), type chain.

2. Select first chain segment.

Options

AutoChain

Selecting a curve or surface edge automatically selects all curve segments connected with the level of continuity set by the ChainContinuity option.

ChainContinuity

Controls the level of continuity required between segments to be selected with the AutoChain option.

Position

Tangency

Curvature

Undo

Undo last segment selection.

Next

Select next segment.

All

Select all segments.