GetStateUndo
Returns the state for the Auto, Control, and Group options of the Undo command.
The variable stores the settings bit coded and returns the setting as a sum of the following:
| 0 |
Undo is disabled |
| 1 |
Undo is enabled and all operations can be undone |
| 2 |
Only one step can be undone |
| 4 |
Auto mode is turned on |
| 8 |
A group is currently active |
| 16 |
Zoom and Pan operations are grouped as a single operation |
| Type |
Integer (bit code) |
| Default |
21 |
| Status |
Read-Only |
| Saved |
Not saved |
Undo