<ListView.ItemContainerStyle>
  <Style TargetType="{x:Type base:ExtendedListViewItem}" BasedOn="{StaticResource ListViewItem}">
    <Style.Triggers>
      <DataTrigger Binding="{Binding HideFromList}" Value="True">
        <DataTrigger.EnterActions>
          <BeginStoryboard>
            <Storyboard>
              <DoubleAnimation Storyboard.TargetProperty="Opacity" To="0.2" Duration="0:0:0.4"/>
            </Storyboard>
          </BeginStoryboard>
        </DataTrigger.EnterActions>
        <DataTrigger.ExitActions>
          <BeginStoryboard>
            <Storyboard>
              <DoubleAnimation Storyboard.TargetProperty="Opacity" To="1" Duration="0:0:0.4"/>
            </Storyboard>
          </BeginStoryboard>
        </DataTrigger.ExitActions>
      </DataTrigger>

      <EventTrigger RoutedEvent="Loaded">
        <EventTrigger.Actions>
          <BeginStoryboard>
            <Storyboard>
              <DoubleAnimation Storyboard.TargetProperty="Height" From="0" To="17" Duration="0:0:0.2" />
              <DoubleAnimation Storyboard.TargetProperty="Opacity" From="0" To="1" Duration="0:0:0.4" />
            </Storyboard>
          </BeginStoryboard>
        </EventTrigger.Actions>
      </EventTrigger>
    </Style.Triggers>
  </Style>
</ListView.ItemContainerStyle>