listboxitemtemplate

                <ListBox.ItemContainerStyle>
                    <Style TargetType="{x:Type ListBoxItem}">
                        <Setter Property="Template">
                            <Setter.Value>
                                <ControlTemplate TargetType="{x:Type ListBoxItem}">
                                    <Border x:Name="Bd"
                                            BorderBrush="{TemplateBinding BorderBrush}"
                                            BorderThickness="{TemplateBinding BorderThickness}"
                                            Background="{TemplateBinding Background}"
                                            Padding="{TemplateBinding Padding}"
                                            SnapsToDevicePixels="True">
                                        <StackPanel Orientation="Horizontal">
                                            <Rectangle x:Name="rect"
                                                       Fill="Red"
                                                       Height="5"
                                                       Width="5"
                                                       Visibility="Collapsed" />
                                            <TextBlock Text="{Binding Zulu}" />
                                        </StackPanel>
                                    </Border>
                                    <ControlTemplate.Triggers>
                                        <Trigger Property="IsSelected"
                                                 Value="True">
                                            <Setter Property="Visibility"
                                                    TargetName="rect"
                                                    Value="Visible" />
                                        </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.InactiveSelectionHighlightBrushKey}}" />
                                            <Setter Property="Foreground"
                                                    Value="{DynamicResource {x:Static SystemColors.InactiveSelectionHighlightTextBrushKey}}" />
                                        </MultiTrigger>
                                        <Trigger Property="IsEnabled"
                                                 Value="False">
                                            <Setter Property="Foreground"
                                                    Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
                                        </Trigger>
                                    </ControlTemplate.Triggers>
                                </ControlTemplate>
                            </Setter.Value>
                        </Setter>
                    </Style>
                </ListBox.ItemContainerStyle>