Re: ? Segregating a Dialog's Code (Particularly Resources)

From:
"AliR \(VC++ MVP\)" <AliR@online.nospam>
Newsgroups:
microsoft.public.vc.mfc
Date:
Fri, 30 Jan 2009 16:34:09 -0600
Message-ID:
<kbLgl.12119$D32.8662@flpi146.ffdc.sbc.com>
It's not the perfect solution for every situation, but here is the scenario
that I have seen repeatedly.

I typically put all of the common code in a single Dll, and include that in
the projects that need access to the common code. Now, not all of the
application need every single dialog/class that is in the dll, but as a
whole they use everything in the dll (I would say each app uses at least 33%
of the dll). If I was to put every class/dialog in a separate dll, I would
end up with the problem you described. With my solution you will end up
with one slightly bulky dll which gets used by all the exes.

Now the problem with my solution is that if one control, or class in the dll
needs to get updated, then all the exe will have to be recompiled, where if
each control was in a separate dll, only the ones using that particular
control would have to get recompiled, but realistically how often does that
happen? And would it be really that bad to recompile and redistribute all
the exes instead just a subset of the exes.

And as far as static or dynamically linking goes, I don't think it will make
any difference in this situation, the point is that you are linking with the
codejock library, which has all of its controls either in a dll or a lib
file. I'm sure you have a reason for linking statically, but liking
dynamically only means that you will have to ship their dll with your app,
and that you won't have to manually include their rc file in your project,
as it comes with the dll. (note that none of the codejock rc files have ICON
resource types).

AliR.

"Tom Serface" <tom@nospam.camaswood.com> wrote in message
news:178EE7FD-799F-4A25-89A1-B57C0B6505FE@microsoft.com...

Hi Ali,

Do you find this to be a good way to do it in practice? Just curious.
Some of our programmers do this and since my application has to consume
all the DLLs I end up with the DLL and 10 other language DLLs for each
little piece of the program which ends up being about 50 DLLs in my case
(all of them really small). I find it to be really annoying and I'd
rather just include what I need in my main program.

For example, the XTreme Toolkit allows me to either use it as a DLL or
link statically. When I link statically I just include their .rc file (or
files in the case of languages) in the RC file for my main program and
satellite DLLs. This works really well since I end up with one DLL for
each language. I get a slightly larger EXE, but since I need to have the
correct version of the toolkit installed anyway I don't think this makes
any difference (load the DLL or have it statically linked for one use).

I often use DLLs from other (previous) applications either to start with
or just to use, but I typically just copy the content files and then open
both resource files and drag the resources over to the new project. It
takes a few minutes getting started, but ...

The only case I could see for having the code common is if it might change
and you want the changes to affect all projects. I seldom have that
issue, but I could see that being a reason.

Tom

"AliR (VC++ MVP)" <AliR@online.nospam> wrote in message
news:MNJgl.1132$Lr6.453@flpi143.ffdc.sbc.com...

You question is like asking "I want to cut some wood, but don't want to
use a saw!".

Here are other people asking your same question:
http://www.google.com/search?hl=en&q=duplicate+resource++type

I would suggest putting the entire thing in a dll, not just the resource.
Put your dialog class, and its resources in a dll, and include that in as
many projects as you like.

AliR.

"Alec S." <nospam@127.0.0.1> wrote in message
news:u4c6fkxgJHA.1288@TK2MSFTNGP02.phx.gbl...

Hi,

I'm trying to figure out a way to separate a dialog's code (header,
implementation and resources) from the main app so that it is easy to
copy into
other projects (making my own Common Control so to speak).

I have put the dialog's code in a separate file (in a subdirectory of
the main
project), and can easily include that as needed. The problem is the
resources. I
know that you can use multiple resource files (hence RC2, etc.), but
apparently
some resource types (eg icons) are not compatible with separate resource
files.
I can put the dialog resource and guidelines, etc. in a dedicated RC
file and
include that, but once I start adding icons, it breaks (specifically, I
get the
duplicate resource ICON:1 resource compiler error).

I don't want to go the resource-only-DLL route, I am just trying to
figure out
how resource compilations and includes work. I've tried both a
straight-up
#include in my main RC, and a TEXTINCLUDE. I've also tried setting the
dialog's
RC file to be excluded in the project, and that does prevents the error,
but it
still doesn't work right because the dialog cannot see the other
resources (in
the resource editor).

I've messed around with this all day and my test project is getting
pretty
messy, so even if I manage to get it working somehow, I don't think I'll
be able
to figure out what I did to get it to work. :o So I figured I'd ask, in
the
hopes that someone already knows how it can be done.

Thanks a lot.

--
Alec S.
news/alec->synetech/cjb/net

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