AxisLabelItem.SourceObject Property

The object that is used to generate the axis label.

Namespace: DevExpress.Xpf.Charts

Assembly: DevExpress.Xpf.Charts.v23.2.dll

NuGet Package: DevExpress.Wpf.Charts

Declaration

C#

public object SourceObject { get; }

VB.NET

Public ReadOnly Property SourceObject As Object

Property Value

Type	Description
Object	A business object that stores information required to create an axis label.

Remarks

The following example generates custom axis labels for a y-axis from a View Model:

XAML

<Window.DataContext>
    <viewModel:ChartViewModel/>
</Window.DataContext>

<dxc:ChartControl>
    <dxc:XYDiagram2D>
        <dxc:XYDiagram2D.AxisY>
            <dxc:AxisY2D CustomLabelItemsSource="{Binding CustomLabels}">
                <dxc:AxisY2D.CustomLabelItemTemplate>
                    <DataTemplate>
                        <dxc:CustomAxisLabel Value="{Binding AxisValue}">
                            <dxc:CustomAxisLabel.Content>
                                <TextBlock FontSize="20" 
                                           Foreground="Green" 
                                           Text="{Binding SourceObject.LabelContent}">
                                </TextBlock>
                            </dxc:CustomAxisLabel.Content>
                        </dxc:CustomAxisLabel>
                    </DataTemplate>
                </dxc:AxisY2D.CustomLabelItemTemplate>
            </dxc:AxisY2D>
        </dxc:XYDiagram2D.AxisY>
        <!--...-->    
    </dxc:XYDiagram2D>
</dxc:ChartControl>        

C#

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;

namespace DXSample
{
    public class ChartViewModel
    {
        public ObservableCollection<LabelItem> CustomLabels { get; set; }
        public ChartViewModel()
        {
            CustomLabels = new ObservableCollection<LabelItem>();
            CustomLabels.Add(new LabelItem() { AxisValue = 5, LabelContent = "5++" });
            CustomLabels.Add(new LabelItem() { AxisValue = 10, LabelContent = "10++"});
            CustomLabels.Add(new LabelItem() { AxisValue = 15, LabelContent = "15**" });
        }
    }
    public class LabelItem
    {
        public double AxisValue { get; set; }
        public string LabelContent { get; set; }
    }
}

VB.NET

Imports System.Collections.ObjectModel

Namespace DXSample
    Public Class ChartViewModel
        Public Property CustomLabels As ObservableCollection(Of LabelItem)

        Public Sub New()
            CustomLabels = New ObservableCollection(Of LabelItem)()
            CustomLabels.Add(New LabelItem() With {
                .AxisValue = 5,
                .LabelContent = "5++"
            })
            CustomLabels.Add(New LabelItem() With {
                .AxisValue = 10,
                .LabelContent = "10++"
            })
            CustomLabels.Add(New LabelItem() With {
                .AxisValue = 15,
                .LabelContent = "15**"
            })
        End Sub
    End Class

    Public Class LabelItem
        Public Property AxisValue As Double
        Public Property LabelContent As String
    End Class
End Namespace