GstarCAD 2026 · System Variables
System Variables > U System Variables > UNDOMARKS
Function Description:
The UNDOMARKS system variable is used to display the mark number placed in UNDO control stream.
(Read-Only)
| Type | Integer |
| Saved in | Not saved |
| Initial value | 0 |
If one group is currently active, the Mark and Back options are disabled.
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Article ID: 7959
Created: October 6, 2026
Last Updated: September 26, 2026
Author: kbadmin
Online URL: https://kb.gstarcad.com.my/article/undomarks-system-variable-gstarcad-2026-7959.html