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Monday, 10 December 2007

Detect if building with Visual Studio 2005 RTM or SP1

#include "windows.h"
extern char VisualStudio2005ServicePack1Detection[10];
C_ASSERT(sizeof(&VisualStudio2005ServicePack1Detection) == 4);

On VS2005 RTM, sizeof(&VisualStudio2005ServicePack1Detection) == 10.
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