SunburstLabelPresentation.Text Property

Specifies the label text.

Namespace: DevExpress.Xpf.TreeMap

Assembly: DevExpress.Xpf.TreeMap.v20.2.dll

NuGet Packages: DevExpress.WindowsDesktop.Wpf.TreeMap, DevExpress.Wpf.TreeMap

Declaration

C#

public string Text { get; set; }

VB.NET

Public Property Text As String

Property Value

Type	Description
String	The label text.

Remarks

The following example uses the Text property to customize sector labels, and display the Family data source field for group items, and the AtomicMass field for child items. In this example, Sunburst is bound to a list of ChemicalElement objects.

XAML

<dxtm:SunburstControl >
  <dxtm:SunburstControl.LabelStyle>
    <Style TargetType="{x:Type dxtm:SunburstLabelPresentation}">
      <Setter Property="Text" Value="{Binding Path=SourceObject, Converter={local:ElementToTextConverter}}" />
    </Style>
  </dxtm:SunburstControl.LabelStyle>
</dxtm:SunburstControl>

C#

public class ElementToTextConverter : MarkupExtension, IValueConverter {
  public override object ProvideValue(IServiceProvider serviceProvider) {
      return this;
  }

  object IValueConverter.Convert(object value, Type targetType, object parameter, CultureInfo culture) {
      List<object> list = value as List<object>;
      if (list != null)
          return (list[0] as ChemicalElement).Family;
      return (value as ChemicalElement)?.AtomicMass;
  }

  object IValueConverter.ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) {
      return null;
  }
}

VB.NET

Public Class ElementToTextConverter
    Inherits MarkupExtension
    Implements IValueConverter

    Public Overrides Function ProvideValue(ByVal serviceProvider As IServiceProvider) As Object
        Return Me
    End Function

    Private Function Convert(ByVal value As Object, ByVal targetType As Type, ByVal parameter As Object, ByVal culture As CultureInfo) As Object
        Dim list As List(Of Object) = TryCast(value, List(Of Object))
        If list IsNot Nothing Then Return TryCast(list(0), ChemicalElement).Family
        Return TryCast(value, ChemicalElement)?.AtomicMass
    End Function

    Private Function ConvertBack(ByVal value As Object, ByVal targetType As Type, ByVal parameter As Object, ByVal culture As CultureInfo) As Object
        Return Nothing
    End Function
End Class