<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> See my post "Code design, circular reference". I need to search for a parent object, I will likely do it differently later. <div class="moz-cite-prefix">Le 01/07/2023 à 20:34, Juan Vuletich a écrit : </div> <blockquote type="cite" cite="mid:64A071CD.9000106@cuis.st"> That is a bit more expensive than needed, because of the creation of a collection. Moreover, I wonder, why do you need this? </blockquote> <pre class="moz-signature" cols="72">-- GNU Dr. Geo <a class="moz-txt-link-freetext" href="http://drgeo.eu">http://drgeo.eu</a> <a class="moz-txt-link-freetext" href="http://blog.drgeo.eu">http://blog.drgeo.eu</a></pre> </body> </html>