MaxFirstVisibleTabIndex
SetFirstVisibleTabIndex(MaxFirstVisibleTabIndex());
if (index > MaxFirstVisibleTabIndex())
index = MaxFirstVisibleTabIndex();
return fFirstVisibleTabIndex < MaxFirstVisibleTabIndex();
if (fFirstVisibleTabIndex > MaxFirstVisibleTabIndex())
SetFirstVisibleTabIndex(MaxFirstVisibleTabIndex());
int32 MaxFirstVisibleTabIndex() const;