У кого-либо есть простой пример UserControl с единственным ContentPresenter?

ContentPresenters are main used in ControlTemplates and bound with a TemplateBinding to the ContentControl.Content. from this site... a control template for a button that uses a ContentPresenter

<Style TargetType="{x:Type Button}">
  <Setter Property="Background" Value="White" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate>
        <Grid>
          <Rectangle Fill="{TemplateBinding Property=Background}" />
            <ContentPresenter
              Content="{TemplateBinding Property=ContentControl.Content}" />
        </Grid>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>