Scroll-bar control data structure.
typedef struct _SBCDATA { USHORT cb; /* Length of control data in bytes. */ USHORT sHilite; /* Highlighting code. */ SHORT posFirst; /* First bound of the scroll-bar range. */ SHORT posLast; /* Last bound of the scroll-bar range. */ SHORT posThumb; /* Slider position. */ SHORT cVisible; /* Number of data items visible. */ SHORT cTotal; /* Number of data items available. */ } SBCDATA; typedef SBCDATA * PSBCDATA ;