UNDOCTL System Variable — GstarCAD 2027
UNDOCTL System Variable
GstarCAD 2027 · System Variables
System Variables > U System Variables > UNDOCTL
Function Description:
The UNDOCTL system variable is used to display options used in UNDO command.
(Read-Only)
| Type | Integer |
| Saved in | Not saved |
| Initial value | 53 |
The setting is stored as a bitcode using the sum of listed system variable values.
System Variable Value:
0: turn off UNDO
1: turn on UNDO
2: only one command can be undone
4: Auto is turned on
8: one group is active
16:treat ZOOM and PAN as one single action
32: Layer property operations are grouped as a single action