[fpc-devel] Propose: change TComponent.Tag from longint to PtrInt
daniel.mantione at freepascal.org
Mon Sep 4 13:03:45 CEST 2006
Op Mon, 4 Sep 2006, schreef Vincent Snijders:
> Daniël Mantione schreef:
> > Op Mon, 4 Sep 2006, schreef Mattias Gaertner:
> > > Me2.
> > >
> > > Just one disadvantage:
> > > The Tag is published.
> > > If someone stores a 64bit value and the component is stored,
> > > the stream can not be read under 32bit anymore.
> > ...which makes it impossible to use streams for anything derived from
> > Tcomponent, which is really a lot. I don't think we should break this
> > feature to allow broken code to work.
> Really a lot? Can you give examples where numbers > maxint are streamed?
Even if you stream a zero it breaks.
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