windows程式設計——友善的宏定義

wingdi.h
#define RGB(r,g,b)      ((COLORREF)(((BYTE)(r)|((WORD)((BYTE)(g))<<8))|(((DWORD)(BYTE)(b))<<16)))
#define GetRValue(rgb)  ((BYTE)(rgb))
#define GetGValue(rgb)  ((BYTE)(((WORD)(rgb)) >> 8))
#define GetBValue(rgb)  ((BYTE)((rgb) >> 16))

winnt.h
#define MINCHAR     0x80        
#define MAXCHAR     0x7f        
#define MINSHORT    0x8000      
#define MAXSHORT    0x7fff      
#define MINLONG     0x80000000  
#define MAXLONG     0x7fffffff  
#define MAXBYTE     0xff        
#define MAXWORD     0xffff      
#define MAXDWORD    0xffffffff  
#define UNREFERENCED_PARAMETER(P)          (P)
#define DBG_UNREFERENCED_PARAMETER(P)      (P)
#define DBG_UNREFERENCED_LOCAL_VARIABLE(V) (V)

windef.h
#define MAX_PATH            260
#define max(a,b)            (((a) > (b)) ? (a) : (b))
#define min(a,b)            (((a) < (b)) ? (a) : (b))
#define MAKEWORD(a, b)      ((WORD)(((BYTE)(a)) | ((WORD)((BYTE)(b))) << 8))
#define MAKELONG(a, b)      ((LONG)(((WORD)(a)) | ((DWORD)((WORD)(b))) << 16))
#define LOWORD(l)           ((WORD)(l))
#define HIWORD(l)           ((WORD)(((DWORD)(l) >> 16) & 0xFFFF))
#define LOBYTE(w)           ((BYTE)(w))
#define HIBYTE(w)           ((BYTE)(((WORD)(w) >> 8) & 0xFF))