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V25.1
  • IChartSeriesLabelConnector Interface

    Defines a label’s connector settings.

    Namespace: DevExpress.Blazor

    Assembly: DevExpress.Blazor.v25.1.dll

    NuGet Package: DevExpress.Blazor

    Declaration

    public interface IChartSeriesLabelConnector

    The following members return IChartSeriesLabelConnector objects:

    Remarks

    The Connector property returns instances of the IChartSeriesLabelConnector interface. Use the Connector property in a CustomizeSeriesPoint event handler to configure the following label connector settings:

    Color
    Specifies the label connector’s color.
    Width
    Specifies the label connector’s width.
    Visible
    Specifies the label connector’s visibility state.

    The following code snippet hides connectors for all visible point labels.

    <DxChart Data="@WeatherForecasts" CustomizeSeriesPoint="@PreparePointLabel">
        <DxChartLineSeries SummaryMethod="@(i => (int)i.Average())"
                           ValueField="@((WeatherForecast i) => i.TemperatureF)"
                           ArgumentField="@(i => i.Date.Date)"
                           Name="Temperature, F">
            <DxChartSeriesLabel Position="RelativePosition.Outside" />
        </DxChartLineSeries>
        <DxChartLegend Position="RelativePosition.Outside" />
    </DxChart>
    
    @code {
        WeatherForecast[] WeatherForecasts;
        ...
        protected void PreparePointLabel(ChartSeriesPointCustomizationSettings pointSettings) {
            double value = (double)pointSettings.Point.Value;
            if (value > 25 && value < 75) {
                pointSettings.PointLabel.Visible = true;
                pointSettings.PointLabel.Connector.Visible = false;
            }
        }
    }
    

    Chart Series Labels - Connectors

    Run Demo: Charts - Series Label Customization

    See Also