<Interactivity:Interaction.Behaviors>
<Core:EventTriggerBehavior EventName="Checked">
<!-- Store the Profile Variable "ChildItemsViewMode" to Grid or List - depending on the check state of the check box -->
<Core:InvokeCommandAction Command="{Binding StoreProfileParameterCommand}" CommandParameter="ChildItemsViewMode=_Grid"/>
</Core:EventTriggerBehavior>