+ else if (psbi->rgstate[SBRG_TOPRIGHTBTN] == STATE_SYSTEM_UNAVAILABLE &&
+ psbi->rgstate[SBRG_BOTTOMLEFTBTN] == STATE_SYSTEM_UNAVAILABLE &&
+ pSBData->posMin >= (int)(pSBData->posMax - max(pSBData->page - 1, 0)))
+ {
+ /* Nothing to scroll */
+ psbi->xyThumbTop = 0;
+ psbi->xyThumbBottom = 0;
+ }