identifier is undefined in ATL\WTL application

StackOverflow https://stackoverflow.com/questions/7920625

  •  15-02-2021
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Question

I've created new ATL\WTL project in Visual Studio 2010.

I've got red lines under CAppModule,CMessageLoop and etc. with error

identifier is undefined

How can this be solved?

Was it helpful?

Solution

You need to include the proper headers. For example CAppModule is defined in atlapp.h so you need #include <atlapp.h>.

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