싱글톤 define 에 선언해서 편하게쓰기

define.h

#define NO_COPY(CLASSNAME)       \

  private:         \

  CLASSNAME(const CLASSNAME&);    \

  CLASSNAME& operator = (const CLASSNAME&); \



#define DECLARE_SINGLETON(CLASSNAME)    \

  NO_COPY(CLASSNAME)       \

  private:         \

   static CLASSNAME* pInstance;   \

  public:          \

   static CLASSNAME* GetInstance(void); \

   static void DestroyInstance(void);  \



#define IMPLEMENT_SINGLETON(CLASSNAME)    \

  CLASSNAME* CLASSNAME::pInstance = NULL;  \

  CLASSNAME* CLASSNAME::GetInstance(void){ \

   if(pInstance == NULL)     \

    pInstance = new CLASSNAME;   \

   return pInstance;      \

  }           \

  void CLASSNAME::DestroyInstance(void){  \

   if(pInstance != NULL) {     \

    delete pInstance;     \

    pInstance = NULL;     \

   }          \

  } 



#define ERR_MSG(Message)  MessageBox(g_hWnd, Message, L"System Error", NULL)

h 파일에 DECLARE_SINGLETON(구조체명)
cpp 파일에 IMPLEMENT_SINGLETON(구조체명)