public void Undo()
{
TestChangeEvent changeEvent = null;
if (_undoStack.Count > 0)
{
changeEvent = _undoStack.Pop();
Debug.WriteLine("Undo event popped: " + changeEvent.ToString());
fireUndoEvent(changeEvent);
_redoStack.Push(changeEvent);
}
}
public void RecordChangeEvent(TestChangeEvent changeEvent)
{
Debug.WriteLine("Event recorded: " + changeEvent.ToString());
_undoStack.Push(changeEvent);
}