IChartSeriesLabelBorder Interface

Contains label border settings.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.2.dll

NuGet Package: DevExpress.Blazor

Declaration

public interface IChartSeriesLabelBorder

Related API Members

The following members return IChartSeriesLabelBorder objects:

• IChartSeriesLabel.Border

Remarks

Use the Border property in a CustomizeSeriesPoint event handler to access and modify the following border settings:

Visible

Allows you to hide or display label borders.

Color

Specifies the border color.

DashStyle | Width

Allow you to customize style and width of the border line.

Example

The following code snippet configures border settings of visible point labels:

<DxChart Data="@WeatherForecasts"
         CustomizeSeriesPoint="@PreparePointLabel"
         Width="100%">
    <DxChartTitle Text="Annual Weather in New York" />
    <DxChartLineSeries SummaryMethod="@(i => i.Average())"
                        ValueField="@((DetailedWeatherSummary i) => i.AverageTemperatureF)"
                        ArgumentField="@(i => new DateTime(2000, i.Date.Month, 1))"
                        Name="Temperature, F"
                        Filter="@((DetailedWeatherSummary  i) => i.City == "NEW YORK")">
        <DxChartSeriesLabel Position="RelativePosition.Outside"
                            FormatPattern="{argument:MMMM}: {value:#.##} °F">
            <DxChartSeriesLabelConnector Visible="true"
                                            Width="3" />
            <DxChartFont Size="14" Weight="600"/>
        </DxChartSeriesLabel>
    </DxChartLineSeries>
    @* ... *@
</DxChart>

@code {
    WeatherForecast[] WeatherForecasts;
    // ...

    protected void PreparePointLabel(ChartSeriesPointCustomizationSettings pointSettings) {
        double value = (double)pointSettings.Point.Value;
        if (value > 50 && value < 70)
            pointSettings.PointLabel.Visible = true;
            // ...
            pointSettings.PointLabel.Border.Visible = true;
            pointSettings.PointLabel.Border.Width = 2.5;
    }
}