Occurs whenever a new spectral view analysis begins on the waveform analyzer.
For details about the use of the Waveform Analyzer refer to the How to use the Waveform Analyzer section.
For further details about methods of the Waveform Analyzer refer to the WaveformAnalyzer class section.
For further details about synchronization through Events see the How to synchronize the container application through events tutorial.
The event handler receives an argument of type EventArgs.