public AudioVisualizationSource(Audio.SampleAggregator aggregator)
        {
            this.aggregator = aggregator;

            MaximumCalculated += new EventHandler <MaxSampleEventArgs>(audioGraph_MaximumCalculated);
            FftCalculated     += new EventHandler <FftEventArgs>(audioGraph_FftCalculated);
        }
        public AudioVisualizationSource(Audio.SampleAggregator aggregator)
        {
            this.aggregator = aggregator;

            MaximumCalculated += new EventHandler<MaxSampleEventArgs>(audioGraph_MaximumCalculated);
            FftCalculated += new EventHandler<FftEventArgs>(audioGraph_FftCalculated);
        }