ChartControl.CustomizePieTotalLabel Event

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

Namespace: DevExpress.XtraCharts

Assembly: DevExpress.XtraCharts.v20.1.UI.dll

Declaration

public event CustomizePieTotalLabelEventHandler CustomizePieTotalLabel
Public Event CustomizePieTotalLabel As CustomizePieTotalLabelEventHandler

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:

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