That is 100% correct.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "jtoth100" <[email protected]>
To: <[email protected]>
Sent: Wednesday, January 28, 2009 9:05 AM
Subject: [amibroker] Re: How to install the file Broker4705.tlb ?
> Hi,
>
> You do NOT have to use early binding. There is some performance
> difference between the early and late bindings, but in this case it
> does not matter.
>
> On the other hand if you use early binding, then your code is
> complied against a specific version of the type lib/com server. If
> the COM server (in this case AmiBroker) has a newer version and the
> COM interface compatibility is broken, than your code is broken as
> well. You have to recompile it against the new type lib... You don't
> want this...
>
> If you use late binding, the COM interface is "discovered" at run
> time (by automation interface called dispatch interface). This cause
> some perf degradation (need additional call at run time), but it is
> safe if the interface methods keept a minimum level of compatibility
> (method signature).
>
> I did not check but from mailing list I suspect that AB keeps only
> method signature level compatibility. The COM interfaces are not kept
> compatible.
>
> So in this case late binding is the only good choice.
>
> But TJ can shed some light on this for you.
>
> Y
>
>
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