GetRefreshLimits
status_t GetRefreshLimits(const screen_mode& mode,
fScreenMode.GetRefreshLimits(fSelected, min, max);
if (fScreenMode.GetRefreshLimits(fActive, min, max) != B_OK) {
if (fScreenMode.GetRefreshLimits(fSelected, min, max) != B_OK || min == max)