public void Remove(OneBox.Entity obj)
 {
     base.Remove(obj);
 }
 public void Insert(int index, OneBox.Entity obj)
 {
     base.Insert(index, obj);
 }
 public OneBox.Entity Remove(int index)
 {
     OneBox.Entity obj = entityCollection[index];
     entityCollection.Remove(obj);
     return(obj);
 }
 public OneBox.Entity Add(OneBox.Entity obj)
 {
     base.Add(obj);
     return(obj);
 }
 public OneBox.Entity Add(OneBox.Entity obj)
 {
     return(entityCollection.Add(obj));
 }