<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> I can not see how #getListItem: could be called with a 0 argument. Perhaps it is the sender in DrGeo that can take care of that? Thanks, <div class="moz-cite-prefix">On 2026-01-25 8:57 AM, Hilaire Fernandes via Cuis-dev wrote: </div> <blockquote type="cite" cite="mid:81baf6fa-cc8f-4ed4-8397-1c4abbffce3a@free.fr"> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> Hi, Here is a needed changes to make GUI code more robust in some situation. It occurs in DrGeo Smalltalk sketch using custom color then user invoking the styler GUI which come with only a preselection of colors. Thanks <pre class="moz-signature" cols="72">-- <a class="moz-txt-link-freetext" href="http://mamot.fr/@drgeo" moz-do-not-send="true">http://mamot.fr/@drgeo</a></pre> <fieldset class="moz-mime-attachment-header"></fieldset> </blockquote> <pre class="moz-signature" cols="72">-- Juan Vuletich <a class="moz-txt-link-abbreviated" href="http://www.cuis.st">www.cuis.st</a> github.com/jvuletich researchgate.net/profile/Juan-Vuletich independent.academia.edu/JuanVuletich patents.justia.com/inventor/juan-manuel-vuletich</pre> </body> </html>