Hello Jonathan,
We are are currently researching on it. We will update you ASAP. Thanks for your patience!

Best regards,
Rhett Gong [MSFT]
Microsoft Online Partner Support
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Hi Jonathan,

I am afraid this is a known issue to the MFC7.1's dialog editor, the MFC
7.1 application resource file may get corrupted when HELP ID properties of
some controls(e.g. Tab Control of the Toolbox) in the dialog box is changed
to "True".

The problem here is the control format is different based on whether it is
a predefined class like button control etc. In these cased style and
exstyles are added at the end before helpid ...

CONTROL text, id, class, x, y, width, height [style, extended-style],
[helpid]

while predefined control:

CONTROL text, id, class, style, x, y, width, height [, extended-style],
[helpid]

We have already fixed this issue in the next version of the VS.NET
IDE(VS2005), but currently we don't have a workarounfd for VS2003, so at
the current stage, this issue would be a product limitation, if you need a
solution to work around this problem in VS2003 , it is better for you if
one of our PSS support engineers could work with you. This may need you
submit a support incident in Microsoft PSS (Product Support Service). As a
MSDN subscriber, you have two free support incidents.

By the way, if the problem is confirmed by Microsoft PSS as a product
issue, PSS won't charge money. Every MSDN subscriber has two free support
incidents. You could use one of them to contact Microsoft PSS. So you don't
need to pay money yet. Surely if the issue is a product issue, you still
have two free support incidents.

For your reference, I attached steps to contact Microsoft PSS here: You can
contact Microsoft Product Support directly to discuss additional support
options you may have available, by contacting us at 1-(800)936-5800 or by
choosing one of the options listed at
http://support.microsoft.com/d-efault.aspx?scid=fh;EN-US;Offe-rProPhone

Thanks for your understanding!

Best regards,

Gary Chang
Microsoft Community Support
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