On 12/08, stepharo wrote: > Hi peter > > Do you mean instead of having ValueChanged? > What would be scenario for ValueRemoved? >
In addition to ValueChanged. col := OrderedCollection new asValueHolder. col add: 1. "ValueAdded with 1 announced" col remove: 1. "ValueRemoved with 1 announced" of course in both cases ValueChanged would be fired as normal. But for collections from ValueChanged I can't tell what has been changed. > Stef > > Le 8/12/15 01:01, Peter Uhnak a écrit : > >Hi, > > > >when (any) ValueHolder changes, a ValueChanged announcement is fired. > > > >My question: Would it be a good idea to add ValueAdded and ValueRemoved > >for CollectionValueHolder? > > > >Otherwise there's no way to meaningfully observe changes. > > > > -- Peter
