Hi Arnaud, I never use component and have no comment on it. For trigger, the $0 is vital for us. It did trap 4D error once in awhile on our development phase. -9998 is the most popular one:-) Of course, we also return our business rules error to $0.
Many 4D engine errors won't be trapped by error handler but mostly could be get around with extra coding. We are still in 15.5 and may be -20002 is new in 16 or 16Rx Alan Chan 4D iNug Technical <[email protected]> writes: > >> Le 3 févr. 2018 à 11:18, Alan Chan via 4D_Tech <[email protected]> a >> écrit : >> >> Hmm... I didn't see -20002 there. > >Hi Alan, >one or more not documented, you know… ;-) >I'd call that error "a method used as error handler must not have parameter, >including $0" > >I was questioning myself about its number, in the trigger range (-32000 .. >-15000). I may be wrong but it sounds like -20002 cannot be trapped by an >error handler, so chances to collide with a home made trigger error detected >by a error handler >seems weak (or unlikely). > >I'm also wondering about the $0 use (I have used it a bit more than in one >method in a v12 component… 😱) >- those methods in my v12 component never never never encountered error (???) >- it came after v12 > >-- >Arnaud de Montard > > ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: http://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
