((MBTNode)tNode.getUserObject()).addChild(func);
builderTreeModel.insertNodeInto(funcNode, tNode, tNode.getChildCount());
setNode=new MBTArgSetNode("�Set1�");
sortNode=new MBTArgStringNode("�String Expression� | �Numeric Expression�");
sortTypeNode=new MBTArgEnumNode(false, "ASC | DESC | BASC | BDESC", new String[]{"ASC", "DESC", "BASC", "BDESC"}, false, false);
DefaultMutableTreeNode setTreeNode=new DefaultMutableTreeNode(setNode);
DefaultMutableTreeNode sortTreeNode=new DefaultMutableTreeNode(sortNode);
DefaultMutableTreeNode sortTypeTreeNode=new DefaultMutableTreeNode(sortTypeNode);