private bool TryProcessThenByMethod(MethodInvocationExpression methodInvoke, bool ascending, bool queryable)
{
Expression key;
if (!TryProcessSingleParameterQuery(methodInvoke, false, queryable, out key))
{
return(false);
}
OrderByClause orderBy = clauses[clauses.Count - 1] as OrderByClause;
if (orderBy == null)
{
return(false);
}
orderBy.ExpressionToOrderDirectionMap.Add(key, ascending ? OrderDirection.Ascending : OrderDirection.Descending);
clauses[clauses.Count - 1] = orderBy.CloneAndAttachInstructions(methodInvoke.InvocationInstructions) as QueryClause;
return(true);
}