public override void Undo (TextDocument doc, bool fireEvent = true)
{
doc.BeginAtomicUndo (operationType);
try {
for (int i = operations.Count - 1; i >= 0; i--) {
operations [i].Undo (doc, false);
doc.OnUndone (new UndoOperationEventArgs (operations [i]));
}
} finally {
doc.EndAtomicUndo ();
}
if (fireEvent)
OnUndoDone ();
}