Description

Defines non collapsible zone of an expander

Example

The Expander.Header section in the LeftExpander typically contains vertically oriented text "Navigator". The header of expander itself always stays on screen.

<Expander Style="{StaticResource NavigatorExpander}" Name="LeftExpander" Grid.Column="0" ExpandDirection="Right" IsExpanded="True" HorizontalAlignment="Stretch" Margin="0,0,5,0">

  <Expander.Header>

    <TextBlock Text="Navigator">

      <TextBlock.LayoutTransform>

        <RotateTransform Angle="90" />

      </TextBlock.LayoutTransform>

    </TextBlock>

  </Expander.Header>