Re: [Pnet-developers] [bug #16089] Garbage Collector does not call Finalizers if using Forms

[Miroslaw Dobrzanski-Neumann]

On Tue, Mar 14, 2006 at 01:27:51PM +0100, Marc Haisenko wrote:
> On Tuesday 14 March 2006 12:34, Heiko Weiss wrote:
> > The GC does not call the Finalizers, if showing a form and closing it.
> > Have attached a small sample.
> > Form1:
> > Click on button1 -> a 2nd form Form2 is created.
> > Form2:
> > is using a testclass XXX with Finalizer.
> > Close the Form2.
> >
> > Now click button Collect of Form1.
> > The GC should call the Finalizer of class XXX.
> >
> > BUT is not called.
> >
> > I think theres a problem with forms only.
> > if I use class XXX in a Console-App with new XXX() and do GC.Collect, the
> > GC is calling the Finalizer.
> > So it must be a bug in using SWF.
> >
> > Please help urgent!!!
> >
> > Thx
> > Brubbel
> 
> This is the normal .NET GC behaviour and totally normal. .NET only guarantees 
> that finalizers are called at least when the application exits, otherwise you 
> can't make any assumptions on when they are called.
> 
> This is at least a minor improvement to Java which doesn't guarantee that 
> they 
> are called at all.
> 
> So you can't do anything about it, AFAIK
> 
> One thing I really, *really* miss is a language with garbage collection where 
> you can explicitly delete an object with all consequences (call the 
> destructor, remove memory and clear resources like file handles).

use Visual C++.NET, the managed extensions have good chances to get into the
next C++ stamdard. There are both destructor and finalizer.

For C# you may use the dispose pattern to work with synchronous destruction

Regards
        Mirosław

> 
> C'ya,
>       Marc
> 
> -- 
> Marc Haisenko
> http://darkdust.net
> Today is Pungenday, the 73rd day of Chaos in the YOLD 3172



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-- 
Mirosław Dobrzański-Neumann
E-mail: address@hidden

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