Re: [ROOT] Writeing to a file

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Hi Thomas,

See class TRef at:

http://root.cern.ch/root/htmldoc/TRef.html

Rene Brun

Thomas Bretz wrote:
> 
> Hi all,
> 
> assuming I have a class A
> class A : public TObject
> {
>     int somedata;
>     ClassDef(A, 1)
> }
> ans a class B referencing class A
> class B : public TObject
> {
>     A *a;
>     ClassDef(B, 1)
> }
> 
> Now I write class B to a file (TBranch::Fill). Assuming, that the
> pointer to A references a different instance of A each tenth event of B
> I write to a file and I write B 100 times.
> How many objects of A are written? 100 or 10?
> 
> Thanks,
> Thomas.

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