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I compiled and got error:
fatal error C1010: unexpected end of file while looking for precompiled header. Did you forget to add '#include "stdafx.h"' to your source?
According to lots of answers found from web, I know the precompiled headers can be disabled from project and file properties, I did it (disabled precompiled headers from project and file), but I still got such error message. How come?
A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.
Did you forget to add '#include "stdafx.h"' to your source?
I'm surprised that VS 2019 would refer to stdafx.h in that message.
I would have expected to see it say:
"Did you forget to add '#include "pch.h"' to your source?"
Is this a new project you created? Or are you using a project file from
an earlier version of VS?
I downloaded sample from: https://www.codeproject.com/Articles/843839/Calling-All-Stations , and then added it to my solution, modified it.
Answer accepted by question author
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Have you perhaps changed the setting for one configuration (DEBUG), and not the other (RELEASE)?
I found there are three items at the configuration: Debug, Release, and Active(Release). The currently selected one is 'Debug'. Is anything wrong here?
I changed the configuration (debug) to consistent with the one at toolbar, rebuilt it. It worked then.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(124.80000000000001, 77%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
This was very helpful. Somehow accidentally I had Release setting active in configuration instead of Debug and most of my projects did not build. If you have this problem stay cool because otherwise you can destroy things big time. If any problem manifests itself in many projects this is must be the first place to check.