Re: Prob in Ngen Com Addin.

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: Alvin Bruney [MVP] (vapor)
Date: 10/07/04 

Date: Thu, 7 Oct 2004 08:06:02 -0500

ngen is used for managed code. add-ins are unmanaged code. Even if you use
the primary interop assemblies, it does not translate the unmanaged code
into managed code. it simply provides the appropriate metadata for the clr.
The actual code is still unmanaged code which you cannot ngen. 

-- 
Regards,
Alvin Bruney
[ASP.NET MVP http://mvp.support.microsoft.com/default.aspx]
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"Isaac Varghese" <isaac.varghese@lehman.com> wrote in message 
news:ed44021a.0410070102.33b772b2@posting.google.com...
> I'm not sure i'm posting the question in the right grp..if not pls
> redirect me to correct location..
>
> Here is my problem.I know that by producing the native image of an
> assembly ,i can reduce the startup time and i experienced that with a
> sample windows application.
>
> And I tried the same with my project ,which is  an outlook
> addin(developed in c#). To explain further this addin have refernec to
> Interop.MAPI,Interop.Outlook and couple of other dlls. And when i ran
> ngen on these dlls (exactly the same way as mentioned in msdn
> documents),i was extremely happy to see that all my dlls are in
> assembly cache with type Native Images ,everythng as expected.
>
> But when i opened outlook (addin will load at startup) i couldn't fine
> any difference.So i used the tool PerfMon(part of MS.NET SDK) and i
> found that no of methods JITed   is exactly the  same in both
> scenarios (with normal dlls and ngned dlls).
>
> Is there any particular thing i need to take care when i NGEN com
> addin dlls.What i'm doing wrong??
>
> any help with respect to this will be greatly appreciated.
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