typedef struct tagHELPWININFOW {
    int  wStructSize;
    int  x;
    int  y;
    int  dx;
    int  dy;
    int  wMax;
    WCHAR  rgchMember[2];
} HELPWININFOW, *PHELPWININFOW, *LPHELPWININFOW;

typedef PHELPWININFOW PHELPWININFO;