Mark Waddington gave the answer if need. I really want "shared groups" and not "backgroundGroups"
Then the scripts are encapsulated. I turned off backgroundBehavior on all groups. A click on top layer button (no script) now registers in the stack script with its target. I tried it, Yay! After 25 years, still learning…. So if I have a button X with a mouseDown handler in a Group Y also with a mouseDown handler and in my card script (or stack script) also have a mouseDown handler _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode