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RadSparkline support the following indicators out of the box:

  • High Point
  • Low Point
  • Negative Point
  • First Point
  • Last Point

The following image show how the indicator look with different kind of series.

Figure 1: Indicators

WinForms RadSparkline Indicators

When the indicators are enabled the color of the respected point will be changed. You can customize the style of the indicators. The indicators properties are listed in the following article Series Overview.

The below example shows how you can customize the indicators by setting some properties.

Customize Indicators Example

public void StyleIndicators()
    SparkLineSeries series = new SparkLineSeries();
    series.ShowHighPointIndicator = true;
    series.ShowLowPointIndicator = true;
    series.HighPointBackColor = Color.DarkRed;
    series.HighPointBorderWidth = 3;
    series.HighPointBorderColor = Color.Yellow;
    series.HighPointSize = new SizeF(20, 20);
    series.LowPointShape = new StarShape(5, 5);
    series.LowPointBackColor = Color.DarkGreen;
    radSparkline1.Series = series;

Public Sub StyleIndicators()
    Dim series As New SparkLineSeries()
    series.ShowHighPointIndicator = True
    series.ShowLowPointIndicator = True
    series.HighPointBackColor = Color.DarkRed
    series.HighPointBorderWidth = 3
    series.HighPointBorderColor = Color.Yellow
    series.HighPointSize = New SizeF(20, 20)
    series.LowPointShape = New StarShape(5, 5)
    series.LowPointBackColor = Color.DarkGreen
    radSparkline1.Series = series
End Sub

Figure 2: Show and Customize Indicators

WinForms RadSparkline Show and Customize Indicators

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