Re: VS 2005/C++/x64



Hi Mark,

Thanks for your feedback.

Yes, _WIN32 is automatically predefined by the compiler for both 32bit and
64bit platform, see the link below:
http://msdn2.microsoft.com/en-us/library/b0084kay(VS.80).aspx

WIN32 is not defined by the compiler. I believe it widely used as _WIN32
substitute, probably by people who didn't know about _WIN32 or cannot use
it for whatever reason.

Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support

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