Add a CollectionSortBehavior to a window XAML file, like this:
<b:Interaction.Behaviors>
<noesis:CollectionSortBehavior x:Name="SortBehavior"
ItemsSource="{Binding MyCollection}"
Comparer="{Binding MyComparer}" />
</b:Interaction.Behaviors>

Make sure that MyCollection is a collection populated with data and that MyComparer is a valid comparer object.

Bind the source collection to a list view, like this:
<ListView x:Name="MyListView" ItemsSource="{Binding MyCollection}" />

View the list view in the designer window, or start the application within Blend to preview how it looks.

Notice that the data of the collection is properly displayed in the list view.

Change the list view so that it is instead bound to the output of the CollectionSortBehavior, like this:
<ListView x:Name="MyListView" ItemsSource="{Binding SortedItems, ElementName=SortBehavior}" />

View how the list view looks and notice that the list view is now instead displayed as empty.

Start the real Noesis application.

Notice that the list view is now properly displayed, with sorting applied.