エディター定義のデータ テンプレート セレクターの構成 (xamPropertyGrid)

<Page
  …
  xmlns:ig="http://schemas.infragistics.com/xaml"
  …>
  <Page.Resources>
    <ResourceDictionary>
      <DataTemplate x:Key="SpinIntEditor">
        <igEditors:XamNumericEditor Value="{Binding Path=Value}" ValueType="{x:Type sys:Int32}"
          SpinButtonDisplayMode="Always" Theme="IGTheme" />
      </DataTemplate>
      <DataTemplate x:Key="SliderIntEditor">
        <Grid>
          <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="*" />
          </Grid.ColumnDefinitions>
          <TextBlock Grid.Column="0" MinWidth="20" Margin="2"
            Text="{Binding Path=Value, Converter={StaticResource IntDoubleConv}, Mode=OneWay}" />
          <Slider Grid.Column="1" Minimum="0" Maximum="5" TickFrequency="1" IsSnapToTickEnabled="True"
            Value="{Binding Path=Value, Converter={StaticResource IntDoubleConv}}" />
        </Grid>
      </DataTemplate>
      <local:CustomDataTemplateSelector x:Key="CustomSelector" />
    </ResourceDictionary>
  </Page.Resources>
  <Grid>
    <ig:XamPropertyGrid>
      <ig:XamPropertyGrid.EditorDefinitions>
        <ig:PropertyGridEditorDefinition
          TargetType="{x:Type sys:Int32}"
          EditTemplate="{StaticResource SpinIntEditor}"
          TemplateSelector="{StaticResource CustomSelector}">
        </ig:PropertyGridEditorDefinition>
      </ig:XamPropertyGrid.EditorDefinitions>
    </ig:XamPropertyGrid>
  </Grid>
</Page>

Public Class CustomDataTemplateSelector
  Inherits DataTemplateSelector
  Public Overrides Function SelectTemplate(item As Object, container _
 As DependencyObject) As DataTemplate
    Dim context As PropertyGridTemplateSelectorContext = _
      TryCast(item, PropertyGridTemplateSelectorContext)
    If context.PropertyItem.PropertyName.Equals("Level") Then
      Dim propertyGrid As XamPropertyGrid = TryCast(container, XamPropertyGrid)
      Dim resource = propertyGrid.TryFindResource("SliderIntEditor")
      Return DirectCast(resource, DataTemplate)
    End If
    Return context.EditTemplate
  End Function
End Class

public class CustomDataTemplateSelector : DataTemplateSelector
{
  public override DataTemplate SelectTemplate(object item, DependencyObject container)
  {
    PropertyGridTemplateSelectorContext context = item as PropertyGridTemplateSelectorContext;
    if (context.PropertyItem.PropertyName.Equals("Level"))
    {
      XamPropertyGrid propertyGrid = container as XamPropertyGrid;
      var resource = propertyGrid.TryFindResource("SliderIntEditor");
      return (DataTemplate)resource;
    }
    return context.EditTemplate;
  }
}