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ChartControl.CustomizePieTotalLabel Event

Occurs when the ChartControl draws total labels for Pie and Doughnut series.

Namespace: DevExpress.XtraCharts

Assembly: DevExpress.XtraCharts.v24.2.UI.dll

NuGet Package: DevExpress.Win.Charts

#Declaration

public event CustomizePieTotalLabelEventHandler CustomizePieTotalLabel

#Event Data

The CustomizePieTotalLabel event's data class is CustomizePieTotalLabelEventArgs. The following properties provide information specific to this event:

Property Description
Series Returns a pie series whose total label is customized.
Text Gets or sets the total label text.
TextColor Gets or sets the total label’s text color.
TotalValue Returns the total label value.

#Remarks

The CustomizePieTotalLabel event allows you to customize the total label appearance based on a specific condition.

#Example

This example shows how to format the Doughnut series total label text depending on the pie slice total value:

image

chartControl1.CustomizePieTotalLabel += OnCustomizePieTotalLabel;
//...
private void OnCustomizePieTotalLabel(object sender, CustomizePieTotalLabelEventArgs e) {
    if (e.TotalValue > 10000) {
        e.TextColor = Color.Green;
        e.Text = $"{e.TotalValue / 1000}K";
    }
}
See Also