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