new public int Add(EntityField val) {
if (_entity != null)
val.SetEntity(_entity);
if (!Contains(val))
return base.Add(val);
return -1;
}
new public void Insert(int index, EntityField val) {
if (_entity != null)
val.SetEntity(_entity);
if (Contains(val))
Remove(val);
Insert(index, val);
}
new public void Insert(int index, EntityField val) {
if (_entity != null)
val.SetEntity(_entity);
if (Contains(val))
base.Remove(val);
if (index < 0) index = 0;
if (index > List.Count) index = List.Count - 1;
base.Insert(index, val);
}
