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.v20.1.dll

Declaration

public class RangeColorizer :
    LegendSupportColorizerBase
Public Class RangeColorizer
    Inherits 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.

Examples

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