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RangeColorizer Class

A colorizer that allows providing colors based on which range the Series.ColorDataMember value belong.

Namespace: DevExpress.Xpf.Charts

Assembly: DevExpress.Xpf.Charts.v24.2.dll

NuGet Package: DevExpress.Wpf.Charts

#Declaration

public class RangeColorizer :
    LegendSupportColorizerBase

#Remarks

This class introduces the RangeColorizer.RangeStops property that allows specifying range stops used to determine to which range a value belongs, and the RangeColorizer.ValueProvider property, that allows specifying a value provider. This allows you to specify how to provide numeric values based on Series.ColorDataMember values.

For more information about colorizers, refer to the Colorizers topic.

#Example

To use the Range Colorizer, perform the following steps.

<Window
        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"
        x:Class="RangeColorizerExample.MainWindow"
        Title="MainWindow" Height="720" Width="1280">

    <Window.Resources>
        <XmlDataProvider x:Key="dataProvider" Source="Data/HPI.xml"/>
    </Window.Resources>

    <Grid DataContext="{Binding Source={StaticResource dataProvider}}">
        <dxc:ChartControl>
            <dxc:ChartControl.Titles>
                <dxc:Title Content="GDP for G20" HorizontalAlignment="Center"/>
            </dxc:ChartControl.Titles>
            <dxc:ChartControl.Legend>
                <dxc:Legend HorizontalPosition="Center" Orientation="Horizontal"/>
            </dxc:ChartControl.Legend>
            <dxc:XYDiagram2D>
                <dxc:BarSideBySideSeries2D DisplayName="GDP" 
                                           DataSource="{Binding XPath=/G20HPIs/CountryStatistics}"
                                           ArgumentDataMember="Country" 
                                           ValueDataMember="Product"
                                           ColorDataMember="HPI">
                    <dxc:BarSideBySideSeries2D.Colorizer>
                        <dxc:RangeColorizer RangeStops="22 30 38 46 54 64" LegendTextPattern="{}{V1} - {V2} HPI">
                            <dxc:RangeColorizer.Palette>
                                <dxc:CustomPalette>
                                    <dxc:CustomPalette.Colors>
                                        <Color A="255" R="255" G="90" B="25"/>
                                        <Color A="255" R="229" G="227" B="53"/>
                                        <Color A="255" R="110" G="201" B="92"/>
                                    </dxc:CustomPalette.Colors>
                                </dxc:CustomPalette>
                            </dxc:RangeColorizer.Palette>
                        </dxc:RangeColorizer>
                    </dxc:BarSideBySideSeries2D.Colorizer>
                </dxc:BarSideBySideSeries2D>
            </dxc:XYDiagram2D>
        </dxc:ChartControl>
    </Grid>
</Window>
See Also