Subject Re: COMBOBOX WITH VALID CHECK From Mervyn Bick <invalid@invalid.invalid> Date Tue, 3 Sep 2024 10:09:58 +0200 Newsgroups dbase.getting-started On 2024/09/02 16:38, Peter wrote: > How can you customize the combobox to have a VALID feature to ensure a correct choice has been selected You can't stop the user from selecting any of the values in the dropdown list and there is no way of knowing if the user selected a "wrong" value from the list. What you can do is change the list assigned to the combobox's dataSource property at any time.  It is then up to you to ensure that the user only has choices that you consider to be valid. Mervyn.