>devblog_ » AfxWinMain http://devblog.itsth.com Thoughts on developing shareware Wed, 14 Dec 2011 16:29:59 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Weird problem with AfxWinMain() http://devblog.itsth.com/2010/01/27/weird-problem-with-afxwinmain/ http://devblog.itsth.com/2010/01/27/weird-problem-with-afxwinmain/#comments Wed, 27 Jan 2010 13:01:05 +0000 admin http://devblog.itsth.com/?p=75 I spent the last hours hunting down a weird crash problem in AfxWinMain(). It’s the init function in an MFC application that gets called before anything else.

And it crashes at “if (!pThread->InitInstance())” because AfxGetThread() returned a NULL pointer.

The problem was paired with link errors that vanished when the buid was repeated. Since this is “normal” with MS C++ (I’ve seen that problem often before), I didn’t really notice it.

As it turns out the entire code was correct. I imported it into a new project and it worked. Comparing the the vcproj-Files I found the line that made all the difference. Removing this line suddenly fixed my problem:

“ObjectFile=”.\DebugD64″

(in Configuration > Tool Name=”VCCLCompilerTool”).

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