public ThenByExpression(QueryNode input, PropertyExpression[] properties, QueryNode scannode, bool bAscDesc, bool excludeFromUri)
: base(input)
{
_properties = properties;
_scannode = scannode;
_bAscDesc = bAscDesc;
_excludeFromUri = excludeFromUri;
if (excludeFromUri)
_properties = properties.OrderBy(p => p.Name).ToArray();
}