摘要： http://topic.csdn.net/t/20050707/11/4128698.html#define MAKELONG(a, b) ((LONG)(((WORD)(a)) | ((DWORD)((WORD)(b))) < < 16)) #define LOWORD(l) ((WORD)(l)) #define HIWORD(l) ((WORD)(((DWORD)(l) > > 16) & 0xFFFF)) 阅读全文