C++ convert enum to string (taken from http://www.codeproject.com/Articles/10500/Converting-C-enums-to-strings)

ClassEnumIsUsed

void MyFunction( Enum_Name_Here value )
{
// NOTE = also define another header, include all EnumName.h files to generate all enums on compile time
    return  GetStringEnum_Name_Here(value);
}

EnumName.h

#if ( !defined(ENUM_NAME_H) || defined(GENERATE_ENUM_STRINGS) )

#if (!defined(GENERATE_ENUM_STRINGS))
    #define ENUM_NAME_H
#endif

#include "EnumToStringHelper.h"

///////////////////////////////
// The enum declaration
///////////////////////////////
BEGIN_ENUM(Enum_Name_Here)
{
    DECL_ENUM_ELEMENT(Enum_Elem_0),
    DECL_ENUM_ELEMENT(Enum_Elem_1),
    DECL_ENUM_ELEMENT(Enum_Elem_2)
}
END_ENUM(Enum_Name_Here)

#endif // (!defined(ENUM_NAME_H) || defined(GENERATE_ENUM_STRINGS))

EnumToStringHelper.h

#undef DECL_ENUM_ELEMENT
#undef BEGIN_ENUM
#undef END_ENUM

#ifndef GENERATE_ENUM_STRINGS
    #define DECL_ENUM_ELEMENT( element ) element
    #define BEGIN_ENUM( ENUM_NAME ) typedef enum tag##ENUM_NAME
    #define END_ENUM( ENUM_NAME ) ENUM_NAME; \
            char* GetString##ENUM_NAME(enum tag##ENUM_NAME index);
#else
    #define DECL_ENUM_ELEMENT( element ) #element
    #define BEGIN_ENUM( ENUM_NAME ) char* gs_##ENUM_NAME [] =
    #define END_ENUM( ENUM_NAME ) ; char* GetString##ENUM_NAME(enum \
            tag##ENUM_NAME index){ return gs_##ENUM_NAME [index]; }
#endif