virtual void EnumerateEventsBackwardsDownSampled ( double IntervalEnd, double IntervalStart, double Resolution, typename [ITimeline](API\Developer\TraceServices\TraceServices\Containers\ITimeline)< [EventType](API\Developer\TraceServices\Model\TMonotonicTimeline\EventType) >::[EventRangeCallback](API\Developer\TraceServices\TraceServices\Containers\ITimeline\EventRangeCallback) Callback ) const