public virtual Value evaluate(Context cx, QualifiedExpressionNode node)
 {
     if (node.ref_Renamed == null)
     {
         evaluate(cx, (QualifiedIdentifierNode)node);
         node.expr.evaluate(cx, this);
     }
     return(node.ref_Renamed);
 }
		public virtual Value evaluate(Context cx, QualifiedExpressionNode node)
		{
			if (node.ref_Renamed == null)
			{
				evaluate(cx, (QualifiedIdentifierNode) node);
				node.expr.evaluate(cx, this);
			}
			return node.ref_Renamed;
		}