public INode Clone()
{
OrderExpression orderExpression = new OrderExpression(
(IExpression)(m_expression.Clone()));
orderExpression.Asc = m_asc;
if (m_next != null)
{
orderExpression.Add((OrderExpression)(m_next.Clone()));
}
return(orderExpression);
}
public void Add(OrderExpression tail)
{
if (tail == null)
{
throw new ArgumentNullException("tail");
}
if (m_next == null)
{
m_next = tail;
}
else
{
m_next.Add(tail);
}
}
