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<ListView Name="listView">
  <ListView.Resources>
    <BooleanToVisibilityConverter x:Key="booleanToVisibilityConverter" />
  </ListView.Resources>
  <ListView.View>        
    <GridView>
      <GridViewColumn Header="Files" Width="250">
        <GridViewColumn.CellTemplate>
          <DataTemplate>
            <StackPanel>
              <TextBlock Text="{Binding FileName}" />
              <StackPanel Orientation="Horizontal" Margin="150,0,0,0" Visibility="{Binding Path=IsSelected, Converter={StaticResource booleanToVisibilityConverter}}">
                <Button>Edit</Button>
                <Button>Delete</Button>
              </StackPanel>
            </StackPanel>
          </DataTemplate>
        </GridViewColumn.CellTemplate>
      </GridViewColumn>
    </GridView>
  </ListView.View>
</ListView>					

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<Window
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="Wpf.Window1"
  x:Name="Window"
  Title="Window1"
  Width="640" Height="480">
  <Window.Resources>
    <Style TargetType="{x:Type ListBoxItem}">
      <Setter Property="Background" Value="Transparent"/>
      <Setter Property="HorizontalContentAlignment" Value="{Binding Path=HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>
      <Setter Property="VerticalContentAlignment" Value="{Binding Path=VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>
      <Setter Property="Padding" Value="2,0,0,0"/>
      <Setter Property="Template">
        <Setter.Value>
          <ControlTemplate TargetType="{x:Type ListBoxItem}">
            <Grid Width="620" Height="35">
              <Border SnapsToDevicePixels="true" x:Name="Bd" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Padding="{TemplateBinding Padding}">
                <ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
              </Border>
              <!-- Meins -->
              <Popup Placement="Right" IsOpen="{TemplateBinding IsMouseOver}">
                <StackPanel Width="80">
                  <Button Content="Rename"/>
                  <Button Content="Delete"/>
                </StackPanel>
              </Popup>
              <!-- /Meins -->
            </Grid>
            <ControlTemplate.Triggers>
              <Trigger Property="IsSelected" Value="true">
                <Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
                <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
              </Trigger>
              <MultiTrigger>
                <MultiTrigger.Conditions>
                  <Condition Property="IsSelected" Value="true"/>
                  <Condition Property="Selector.IsSelectionActive" Value="false"/>
                </MultiTrigger.Conditions>
                <Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}"/>
                <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
              </MultiTrigger>
              <Trigger Property="IsEnabled" Value="false">
                <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
              </Trigger>
            </ControlTemplate.Triggers>
          </ControlTemplate>
        </Setter.Value>
      </Setter>
    </Style>
  </Window.Resources>

  <Grid x:Name="LayoutRoot">
  <ListBox>
            <ListBox.Items>
                <ListBoxItem>Bla</ListBoxItem>
                <ListBoxItem>Blubb</ListBoxItem>
            </ListBox.Items>
        </ListBox>
    </Grid>
</Window>