How do I use a ItemTemplateSelector together with a HeaderTemplate in a WPF ListView?

Question

Suppose the following XAML defined window:

Answer 1

I think what you are trying to do is style a single GridViewColumn and its Header. So move the TemplateSelector from the ListView to the GridViewColumn definition:

<Grid>
  <ListView ItemsSource="{Binding Source={StaticResource XmlData}, XPath='/Items/Item'}">
  <ListView.View>
    <GridView>
      <GridViewColumn Width="Auto" CellTemplateSelector="{StaticResource TypeSelector}" HeaderTemplate="{StaticResource HeaderTemplate}"/>
    </GridView>
  </ListView.View>
  </ListView>
</Grid>