UNDOCTL
| Type: | Integer |
| Saved in: | Not-saved |
| Initial value: | 21 |
Indicates the state of the Auto, Control, and Group options of the UNDO command. The setting is stored as a bitcode using the sum of the following values:
0 | UNDO is turned off |
1 | UNDO is turned on |
2 | Only one command can be undone |
4 | Auto is turned on |
8 | A group is currently active |
16 | Zoom and pan operations are grouped as a single action |
