If you’re trying to make all of the controls of a window re-inherit all of the color properties of their parent window after altering the properties of the parent, I don’t thing that works.
You have to loop through all the controls and set them. Prop:NextField is the best way. You may also want to check Prop:Type, or others, to limit your changes.
Here’s an example that changes all Drop List colors plus Format:
Thanks for the tip - works 100% in clarion 5.5. Interestingly enough, it only works 90% in clarion 12 - the only thing it doesn’t change is sheet/tabs - and that’s with that setting ‘SHEET controls do not use the OS Theme color’ and ‘Do not use Themed Controls’ to true. very odd