GstarCAD 2027 · System Variables
System Variables > U System Variables > UPDATETHUMBNAIL
Function Description:
The UPDATETHUMBNAIL system variable is used to control the update of thumbnail preview for view and layout.
| Type | Bitcode |
| Saved in | Drawing |
| Initial value | 15 |
| Range | 0 \~ 16 |
System Variable Value:
0: do not update preview
1: update preview of views in model space
2: update preview of views in layout
4: update preview of layout
8: update preview when created, modified, or restored layout or views
16:update preview when saving a drawing
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Article ID: 3114
Created: September 26, 2026
Last Updated: September 25, 2026
Author: kbadmin
Online URL: https://kb.gstarcad.com.my/article/updatethumbnail-system-variable-gstarcad-2027-3114.html