🚀 go-pugleaf

Reference count between an owner and a child:


Owner to child --> hard reference

Child ot owner --> Soft reference





"Developer Express - Jimmy Tharpe"
<jimmy@I.do.not.like.SPAM.devexpress.com.com> wrote in message
news:3ddd6fd0@newsgroups.borland.com...
> "Dettmer, A. L." <armando@eps.ufsc.br> wrote in message
> news:3DDD31BC.4090203@eps.ufsc.br...
> > >
> > > Reference counting can get to be a tricky thing.
> >
> > Well I can't commento on that but...
> >
> >> The way it is done now (with the Owner concept) is much more simple.
> >
> > the way tht TInterfacedObjects work it it's quite similar to automatic
> > garbage collector what some people would like (I normally like to have
> > control about my objects).
>
> It's similar, but the differences are very important...
>
> As a quick example, imagine having a treeview component in which parent
> nodes holds a reference to their child nodes, and child nodes hold a
> reference to their parent... How then will the reference count drop to
zero?
>
> --
> -Jimmy
> Check out ExpressWeb: http://www.devexpress.com/products/vcl/ewf/
> Full-powered RAD Web Development
> * WYSIWYG designer in Delphi * Full WebBroker and WebSnap integration
> * Superior Browser support   * Advanced Visual Web Controls
> * Server-Side Scripting       * and much more...
> __
>
>