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CAD tip # 10397:

Question CAD
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How to disable switching drawings when hovering on the DWG tab thumbnail?

When you hover cursor on the tab with a loaded DWG drawing, AutoCAD displays thumbnails (previews) of the individual drawings and their layouts - when you move cursor over them, the graphics of the whole drawing is also switched in the main drawing window.

This may be a rather performace-demanding operation with large drawings and the switching proces may be slow or even fail with slower graphics and limited memory. So if you want to switch off this functionality, set the system variable FILETABTHUMBHOVER to 0.

The previews can be switched off with the FILETABPREVIEW variable - AutoCAD will display a textual list of layouts instead of graphic thumbnails. Or you can completely disable the DWG file tabs (see Options > Display).

ACAD2016ACAD2015ACAD2014

* CAD

10.7.2015 14667×

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applies to: AutoCAD 2016 · AutoCAD 2015 · AutoCAD 2014 ·

See also:
Tip 12350:	PkArea - acreage of closed areas from DWG to Excel.
Tip 12049:	AutoCAD display (status bar) jumps and flickers while zooming.
Tip 12019:	What does the padlock icon mean on the DWG tab in AutoCAD?
Tip 11982:	Creating table with parcel numbers and areas - AreaTab.
Tip 11896:	How to drive dyn.block parameters or constraints from Excel?

Selected tip: Why are cursor crosshairs rotated even if I have world UCS and plan view?

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