LegendBase.CustomItemsSource Property
Gets or sets the collection of objects used to generate custom legend items.
Namespace: DevExpress.Xpf.Charts
Assembly: DevExpress.Xpf.Charts.v24.1.dll
NuGet Package: DevExpress.Wpf.Charts
Declaration
Property Value
Type | Description |
---|---|
IEnumerable | A collection that is used to generate custom legend items. The default is null (Nothing in Visual Basic). |
Remarks
The following example generates custom legend items based on a collection of data objects:
<Window.DataContext>
<local:ChartViewModel />
</Window.DataContext>
<!--...-->
<ChartControl>
<dxc:ChartControl.Legends>
<dxc:Legend x:Name="legend"
Orientation="Vertical"
CustomItemsSource="{Binding Path=CustomLegendItems}">
<dxc:Legend.CustomItemTemplate>
<DataTemplate>
<dxc:CustomLegendItem Text="{Binding Path=Text}"
MarkerBrush="{Binding Path=Brush}"/>
</DataTemplate>
</dxc:Legend.CustomItemTemplate>
</dxc:Legend>
</dxc:ChartControl.Legends>
<!--...-->
<ChartControl>
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Windows.Media;
namespace DxSample {
public class ChartViewModel {
public ObservableCollection<LegendItem> CustomLegendItems { get; set; }
public ChartViewModel() {
CustomLegendItems = new ObservableCollection<LegendItem>();
CustomLegendItems.Add(new LegendItem { Text = "Custom Item 1", Brush = Brushes.Red });
CustomLegendItems.Add(new LegendItem { Text = "Custom Item 2", Brush = Brushes.Green });
}
public class LegendItem {
public string Text { get; set; }
public Brush Brush { get; set; }
}
}
See Also