UndoFailedException
if reverting the action failed. In this case, the caller should assume that this is a permanent failure,
and take appropriate action, such as discarding the XUndoAction instance, and any possibly
depending instances.
repeats the action represented by the instance, after it had previously been reverted.
Throws
UndoFailedException
if repeating the action failed. In this case, the caller should assume that this is a permanent failure,
and take appropriate action, such as discarding the XUndoAction instance, and any possibly
depending instances.