public void Undo() { _list.AddLevel(_deletedLevel); _list.SelectSingleLevel(_deletedLevel); }
public bool Execute() { _list.AddLevel(_addedLevel); return(true); }
public void Undo() { _list.AddLevel(_deletedLevel); _list.SelectSingleLevel(_deletedLevel); }
public bool Execute() { _list.AddLevel(_addedLevel); return(true); }