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{excerpt}Returns a [ChartLine|ChartLine] object representing the high\-low lines of a line or scatter series.{excerpt}
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 public ChartLine HighLowLine{ get; }
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Public ReadOnly Property HighLowLine() As ChartLine
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High\-low lines connect the highest value in a group of series with the lowest.  By default, high\-low lines are colored black, have a Narrow [weight|ChartLine.LineWeight] and a Solid [style|ChartLine.LineStyle].  Note that scatter and area charts do not support high\-low lines, so while you can set the high\-low line properties, they will not appear in the output of a scatter or area series.
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