public int Add(TaskBookRation value) { return(base.List.Add(value)); }
public void Remove(TaskBookRation value) { base.List.Remove(value); }
public int Index(TaskBookRation value) { return(base.List.IndexOf(value)); }
public void Insert(int index, TaskBookRation value) { base.List.Insert(index, value); }
public bool Contains(TaskBookRation value) { return(base.List.Contains(value)); }