Removes all of the graphic items of a given type. In order to remove all types of graphic items at once, use the WaveformAnalyzer.GraphicItemRemove method with parameter -1.
For details about graphic items management on the waveform analyzer refer to the How to add graphic items to the Waveform analyzer section.
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 object section.