EDIT-CAN-UNDO attribute
(Windows only; Graphical interfaces only)
Indicates whether the widget can undo the last modification.
Data type: LOGICAL
Access: Read-only
If the widget can undo the last modification, EDIT-CAN-UNDO has the value TRUE, otherwise it has the value FALSE.
If you set EDIT-CAN-UNDO to any value, the AVM empties the undo buffer.
For browses, this attribute applies only to fill-in and combo-box browse columns.