Undo this command; this should save enough information for a subsequent
redo.
Redo this command; this should save enough information for a subsequent
undo.
Name of the undo command to be shown on a button or menu command; for
example, "Undo Delete".
Name of the redo command to be shown on a button or menu command; for
example, "Redo Delete".
Returns the size of the information in the undo record, i.e. the number of
bytes required to store it in memory. This is only used by the
FXUndoList#trimSize method, which can be called to reduce the memory use of
the undo list to a certain size.