GetScrollInfo function Null safety user32

int GetScrollInfo(
  1. int hwnd,
  2. int nBar,
  3. Pointer<SCROLLINFO> lpsi
)

The GetScrollInfo function retrieves the parameters of a scroll bar, including the minimum and maximum scrolling positions, the page size, and the position of the scroll box (thumb).

BOOL GetScrollInfo(
  HWND         hwnd,
  int          nBar,
  LPSCROLLINFO lpsi
);

Implementation

int GetScrollInfo(int hwnd, int nBar, Pointer<SCROLLINFO> lpsi) {
  final _GetScrollInfo = _user32.lookupFunction<
      Int32 Function(IntPtr hwnd, Uint32 nBar, Pointer<SCROLLINFO> lpsi),
      int Function(
          int hwnd, int nBar, Pointer<SCROLLINFO> lpsi)>('GetScrollInfo');
  return _GetScrollInfo(hwnd, nBar, lpsi);
}