Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     Compiler warning (level 1) C4251
 
     'identifier' : base type 'type' should be exported to export
     'class-key' 'identifier'
 
     The specified base class was not declared with the __ export
     keyword.
 
     A base class or structure must be declated with the __export
     keyword if a function in a derived class is to be exported.
                                    -♦-