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#include "stdafx.h" #define DEBUG class CObject { public: virtual char* GetClassName() const{ return NULL;} }; class CMyClass : public CObject { public: static char lpszClassName[]; virtual char* GetClassName() const { return lpszClassName; } }; char CMyClass::lpszClassName[]="CMyClass1"; void main() { CObject *p; p=new CMyClass; printf("%s",p->GetClassName()); #ifdef DEBUG //cmd char e; scanf("%c",&e); #endif } 메크로 사용 #include "stdafx.h" #define DEBUG #define DECLARE_CLASSNAME(s) static char lpszClassName[] #define IMPLEMENT_CLASSNAME(s) char s##::lpszClassName[]=(#s) class CObject { public: virtual char* GetClassName() const{ return NULL;} }; class CMyClass : public CObject { public: //static char lpszClassName[]; DECLARE_CLASSNAME(CMyClass); virtual char* GetClassName() const { return lpszClassName; } }; //char CMyClass::lpszClassName[]="CMyClass1"; IMPLEMENT_CLASSNAME(CMyClass); void main() { CObject *p; p=new CMyClass; printf("%s",p->GetClassName()); #ifdef DEBUG //cmd char e; scanf("%c",&e); #endif } |