I think the future is to use New formula. it is like a function pointer in other languages, it allows the callee to invoke a callback function at a later time.
https://blog.4d.com/new-formula-more-power-behind-simplicity/ alternatively, one could say that CALL FORM is like a custom form event. regarding subforms, CALL SUBFORM CONTAINER can only convert an event in the subform context to another event in the host's context, it does not generate a new event. 2019/04/23 23:32、Chris Belanger via 4D_Tech <4d_tech@lists.4d.com<mailto:4d_tech@lists.4d.com>>のメール: I remember — but cannot find again — some documentation that talked about using negative-numbered values for events to facilitate custom events. However, I seem to remember it only was in the context of subforms. ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************
