It would be great to be able to add a collapsable section header to the listbox feature, from a mapped data source. For example if you have a table with columns animal type and animal name, with contents [(dog, spot), (cat, whiskers), (dog, boomer), (cat, princess), (cat, rufus), (dog, bear)] you could have a list that was like this:
Thanks for your feedback! Just to get some more context - are you looking for something like the checkbox tree component but in listbox form? Would you mind sharing a bit more about your use case and why you prefer to use the listbox for this?
Yes, just like the checkbox tree in listbox form! The goal is to make something that can help a user navigate a list of similar items. So in a simple case: if a user clicked on one of the messages they'd see it in a panel next to the list.
Got it! Thanks for that clarification, we can let you know here if it's added