include guards

The Visual C++ wizards create header files with
#if !defined __a very long identifier___

The identifier is messy and I want to change the name so I can access it easier within my program.
Does changing the identifier have any adverse effect the program or any of the behind the scenes stuff on MFC?
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VEngineerAsked:
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raybConnect With a Mentor Commented:
No there are no adverse effects.  The purpose of these longer identifiers is to ensure uniqueness.  In fact, you'll notice that the identifier actually uses a GUID to reach this goal.  Changing the identifiers will cause no problems.  This has been my experience.

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