Variable: PREVIEWFILTER

Determines the type of entities to ignore, or not highlight, when the SELECTIONPREVIEW system variable is set. When SELECTIONPREVIEW is set, entities on the screen highlight when the
cursor passes over them. The PREVIEWFILTER setting determines what entity types should not be highlighted, usually for performance reasons.

0 = Highlight all entity types when the cursor passes over them

1 = Don't highlight entities on locked layers

2 = Don't highlight externally referenced files (xrefs)

4 = Don't highlight table entities

8 = Don't highlight multiline text (mtext) entities

16 = Don't highlight hatch entities

32 = Don't highlight groups

Type: Bitcode

Saved: In the registry

Range: 0 to 64

Default: 7

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