typedef struct tagHELPWININFOA {
    int  wStructSize;
    int  x;
    int  y;
    int  dx;
    int  dy;
    int  wMax;
    CHAR   rgchMember[2];
} HELPWININFOA, *PHELPWININFOA, *LPHELPWININFOA;

typedef LPHELPWININFOA LPHELPWININFO;