9. Getting Scroll Bars Information

Windows provides the functions GetScrollRange and GetScrollPos to obtain the current range and position of a scroll bar.

GetScrollInfo (hwnd, iBar, &si);

The information is provided in the following structure:

typedef struct tagSCROLLINFO {

UINT cbSize;
UINT fMask;
int nMin;
int nMax;
UINT nPage;
int nPos;
int nTrackPos;

} SCROLLINFO, *LPSCROLLINFO;