Accordion with summary

Question

Hi, i would like to design an accordion component with WPF, but the problem is that the collapsed accordion state should contain a summary of data.
Can any one help?

Answer 1

Try the following (it is a  very simple example).
XAML:
<Expander>
<Expander.Resources>
<Style x:Key="123" TargetType="TextBlock" >
<Setter Property="Text" Value="Not Expanded"></Setter>
<Style.Triggers>
<DataTrigger Binding="{Binding IsExpanded, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Expander}}}" Value="True">
<Setter Property="Text" Value="Expanded"></Setter>
</DataTrigger>
</Style.Triggers>
</Style>
</Expander.Resources>
<Expander.Header>
<TextBlock Style="{StaticResource 123}" ></TextBlock>
</Expander.Header>
<Expander.Content>
<ListBox ItemsSource="{Binding RSongInfos}">
<ListBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Title}"></TextBlock>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
</Expander.Content>
</Expander>
This example simple sets the text of the header to "expanded" / "not expanded" depending on whether or not the expander is expanded.  The example only uses one text block but you can use any controls you want.
Lloyd Sheen