205     BootMenuData->ScrollBarControl.HasScrollBar = TRUE;  in InitializeBootMenuScreen()
206     BootMenuData->ScrollBarControl.ItemCountPerScreen = MaxPrintRows - UnSelectableItmes;  in InitializeBootMenuScreen()
207     BootMenuData->ScrollBarControl.FirstItem = 0;  in InitializeBootMenuScreen()
208     BootMenuData->ScrollBarControl.LastItem = MaxPrintRows - UnSelectableItmes - 1;  in InitializeBootMenuScreen()
211     BootMenuData->ScrollBarControl.HasScrollBar = FALSE;  in InitializeBootMenuScreen()
212     BootMenuData->ScrollBarControl.ItemCountPerScreen = BootMenuData->ItemCount;  in InitializeBootMenuScreen()
213     BootMenuData->ScrollBarControl.FirstItem = 0;  in InitializeBootMenuScreen()
214     BootMenuData->ScrollBarControl.LastItem = BootMenuData->ItemCount - 1;      in InitializeBootMenuScreen()
384   if (BootMenuData->ScrollBarControl.HasScrollBar &&  in BootMenuSelectItem()
385       (WantSelectItem < BootMenuData->ScrollBarControl.FirstItem ||  in BootMenuSelectItem()
386       WantSelectItem > BootMenuData->ScrollBarControl.LastItem ||  in BootMenuSelectItem()
388     ItemCountPerScreen   = BootMenuData->ScrollBarControl.ItemCountPerScreen;  in BootMenuSelectItem()
392     if (WantSelectItem < BootMenuData->ScrollBarControl.FirstItem) {  in BootMenuSelectItem()
393       BootMenuData->ScrollBarControl.FirstItem = WantSelectItem;  in BootMenuSelectItem()
394       BootMenuData->ScrollBarControl.LastItem = WantSelectItem + ItemCountPerScreen - 1;    in BootMenuSelectItem()
395     } else if (WantSelectItem > BootMenuData->ScrollBarControl.LastItem) {  in BootMenuSelectItem()
396       BootMenuData->ScrollBarControl.FirstItem = WantSelectItem - ItemCountPerScreen + 1;   in BootMenuSelectItem()
397       BootMenuData->ScrollBarControl.LastItem = WantSelectItem;  in BootMenuSelectItem()
400     FirstItem = BootMenuData->ScrollBarControl.FirstItem;  in BootMenuSelectItem()
401     LastItem  = BootMenuData->ScrollBarControl.LastItem;  in BootMenuSelectItem()
461   FirstItem = BootMenuData->ScrollBarControl.FirstItem;  in BootMenuSelectItem()
518   ItemCountPerScreen = BootMenuData->ScrollBarControl.ItemCountPerScreen;  in DrawBootPopupMenu()
628   if (BootMenuData->ScrollBarControl.HasScrollBar) {  in DrawBootPopupMenu()