How to: Adjust Series Labels

Jun 07, 2019
This example demonstrates how you can access the options of series labels, in order to automatically resolve overlapping labels, as well as adjust their position and appearance.
MainWindow.xaml
xaml
<Window x:Class="AdjustSeriesPointLabels.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:dxc="http://schemas.devexpress.com/winfx/2008/xaml/charts"
        Title="MainWindow" Height="350" Width="525" >
    <Grid>
        <dxc:ChartControl>
            <dxc:ChartControl.Diagram>
                <dxc:XYDiagram2D>
                    <dxc:XYDiagram2D.Series>
                        <dxc:PointSeries2D LabelsVisibility="True" >
                            <dxc:PointSeries2D.Points>
                                <dxc:SeriesPoint Argument="A" Value="21.4231" />
                                <dxc:SeriesPoint Argument="B" Value="22.5364" />
                                <dxc:SeriesPoint Argument="C" Value="21.4532" />
                                <dxc:SeriesPoint Argument="D" Value="21.8675" />
                                <dxc:SeriesPoint Argument="E" Value="22.6478" />
                                <dxc:SeriesPoint Argument="F" Value="21.4358" />
                                <dxc:SeriesPoint Argument="G" Value="22.3695" />
                                <dxc:SeriesPoint Argument="H" Value="21.7685" />
                                <dxc:SeriesPoint Argument="I" Value="22.4231" />
                                <dxc:SeriesPoint Argument="J" Value="22.5364" />
                                <dxc:SeriesPoint Argument="K" Value="21.4532" />
                                <dxc:SeriesPoint Argument="L" Value="21.8675" />
                            </dxc:PointSeries2D.Points>
                            <!--Adjust the series point labels.-->
                            <dxc:PointSeries2D.Label>
                                <dxc:SeriesLabel ResolveOverlappingMode="JustifyAllAroundPoint"
                                                 Indent="10"
                                                 ConnectorVisible="False"
                                                 Opacity="0.7">
                                </dxc:SeriesLabel>
                            </dxc:PointSeries2D.Label>
                        </dxc:PointSeries2D>
                    </dxc:XYDiagram2D.Series>
                    <!--Adjust the Y-axis' range, to avoid empty space.-->
                    <dxc:XYDiagram2D.AxisY>
                        <dxc:AxisY2D>
                            <dxc:AxisY2D.Range>
                                <dxc:AxisRange MinValue="20" MaxValue="24"/>
                            </dxc:AxisY2D.Range>
                        </dxc:AxisY2D>
                    </dxc:XYDiagram2D.AxisY>
                </dxc:XYDiagram2D>
            </dxc:ChartControl.Diagram>
            <dxc:ChartControl.Titles>
                <dxc:Title Content="Resolve Overlapping for Point Labels" />
            </dxc:ChartControl.Titles>
        </dxc:ChartControl>
    </Grid>
</Window>