Re: Passing a delegate to a DLL as a 'void *'

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#164

From: Andrue Cope [TeamB]
Date: Tue, 19 Sep 2006 07:57

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Marc Rohloff [TeamB] wrote:

> Why don't you the type of fsCmd.Value_VOIDS_2 to be a TCBProgress
> delegate instead?
> 

I could do but traditionally we have one structure per module (which is
why the member name is so generic).

> A common trick is to have several different structures matching the
> expected types of the fields and then overload the DLL call for each
> possible type.

Yeah, makes sense.

> Another possibility which might work is to either use type
> information to get the _methodPtr and _methodPtrAux fields or just use
> the HashCode (which currently is the same thing). Of course this is
> not guaranteed to work the same in different versions of the
> framework.

Best not to do that.

-- 
Andrue Cope [TeamB]
[Bicester, Uk]
http://info.borland.com/newsgroups/guide.html

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Subject: Re: Passing a delegate to a DLL as a 'void *'
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