public void Remove(DerivativeSecurityListRequestUnderlyingSecurityAltID item)
{
if (_al != null)
{
_al.Remove(item);
}
}
public void Add(DerivativeSecurityListRequestUnderlyingSecurityAltID item)
{
if (_al == null)
{
_al = new ArrayList();
}
_al.Add(item);
_last = item;
}