我的c++常用宏

#ifndef max
#define max(a,b)            (((a) > (b)) ? (a) : (b))
#endif


#ifndef min
#define min(a,b)            (((a) < (b)) ? (a) : (b))
#endif


#endif  /* NOMINMAX */


#define MAKEWORD(a, b)      ((WORD)(((BYTE)(((DWORD_PTR)(a)) & 0xff)) | ((WORD)((BYTE)(((DWORD_PTR)(b)) & 0xff))) << 8))
#define MAKELONG(a, b)      ((LONG)(((WORD)(((DWORD_PTR)(a)) & 0xffff)) | ((DWORD)((WORD)(((DWORD_PTR)(b)) & 0xffff))) << 16))
#define LOWORD(l)           ((WORD)(((DWORD_PTR)(l)) & 0xffff))
#define HIWORD(l)           ((WORD)((((DWORD_PTR)(l)) >> 16) & 0xffff))
#define LOBYTE(w)           ((BYTE)(((DWORD_PTR)(w)) & 0xff))
#define HIBYTE(w)           ((BYTE)((((DWORD_PTR)(w)) >> 8) & 0xff))


#define POINTTOPOINTS(pt)      (MAKELONG((short)((pt).x), (short)((pt).y)))
#define MAKEWPARAM(l, h)      ((WPARAM)(DWORD)MAKELONG(l, h))
#define MAKELPARAM(l, h)      ((LPARAM)(DWORD)MAKELONG(l, h))
#define MAKELRESULT(l, h)     ((LRESULT)(DWORD)MAKELONG(l, h))