Applies to
Declaration
property CanUndo: Boolean;
property CanRedo: Boolean;
Description
The CanUndo property determines whether calling Undo will have any effect. It returns True if the last operation can be undone, False if not.
Similarly, CanRedo reports whether calling Redo is effective or not.
These properties are available at run time only, with read only access.
See also
Undo, Redo methods
ClearUndo method
UndoMaxLevels, UndoMaxSpace properties