Modifies parameters of an existing horizontal line displayed over the waveform's graphics. Current parameters can be obtained through the WaveformAnalyzer.GraphicItemHorizontalLineParamsGet method.
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.