356   IN     UINTN                 WantSelectItem,  in BootMenuSelectItem()  argument
374   if (BootMenuData == NULL || WantSelectItem >= BootMenuData->ItemCount) {  in BootMenuSelectItem()
385       (WantSelectItem < BootMenuData->ScrollBarControl.FirstItem ||  in BootMenuSelectItem()
386       WantSelectItem > BootMenuData->ScrollBarControl.LastItem ||  in BootMenuSelectItem()
387       WantSelectItem == BootMenuData->SelectItem)) {            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()
463   String = HiiGetString (gStringPackHandle, BootMenuData->PtrTokens[WantSelectItem], NULL);  in BootMenuSelectItem()
465   PrintRow = StartRow + TITLE_TOKEN_COUNT + 2 + WantSelectItem - FirstItem;    in BootMenuSelectItem()
473   if (WantSelectItem != BootMenuData->SelectItem && !RePaintItems) {  in BootMenuSelectItem()
483   BootMenuData->SelectItem = WantSelectItem;  in BootMenuSelectItem()