Collection View Source-- Add image to the header

XAML<Window x:Class="cvsFormulaOne.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:dat="clr-namespace:System.Windows.Data;assembly=PresentationFramework"
        xmlns:scm="clr-namespace:System.ComponentModel;assembly=WindowsBase"
        xmlns:local="clr-namespace:cvsFormulaOne"
        Title="MainWindow" Height="350" Width="600"
        Loaded="Window_Loaded"><Window.Resources><DataTemplate x:Key="hdrTemplate"><StackPanel><TextBlock Text="{Binding Path=Name}" Margin="0,5" FontSize="22" FontStyle="Italic"><TextBlock.Background><RadialGradientBrush><GradientStop Color="Black" Offset="0" /><GradientStop Color="#47E5D9D9" Offset="0.729" /></RadialGradientBrush></TextBlock.Background></TextBlock></StackPanel></DataTemplate><local:F1DB x:Key="f1DB"/><ObjectDataProvider x:Key="odpF1"
                            ObjectType="{x:Type local:F1DB}"
                            MethodName="getTeams"></ObjectDataProvider><CollectionViewSource x:Key="cvsF1" Source="{Binding Source={StaticResource odpF1}}"><CollectionViewSource.SortDescriptions><scm:SortDescription PropertyName="noChampionships" Direction="Ascending"/></CollectionViewSource.SortDescriptions><CollectionViewSource.GroupDescriptions><dat:PropertyGroupDescription PropertyName="EngineMaker"/> </CollectionViewSource.GroupDescriptions></CollectionViewSource></Window.Resources><Grid><Grid.RowDefinitions><RowDefinition Height="*"></RowDefinition><RowDefinition Height="3*"></RowDefinition></Grid.RowDefinitions><StackPanel Orientation="Horizontal"><Border Margin="5,5"><StackPanel><Label>No of Driver Championship</Label><StackPanel><RadioButton GroupName="rbgNoChamp" Click="RadioButton_Click" 
Tag="ASC" IsChecked="true">Ascending</RadioButton><RadioButton GroupName="rbgNoChamp"
Click="RadioButton_Click" Tag="DESC">Descending</RadioButton></StackPanel></StackPanel><Border.Background><RadialGradientBrush><GradientStop Color="Black" Offset="0" /><GradientStop Color="#47E5D9D9" Offset="0.729" /></RadialGradientBrush></Border.Background></Border><Border Margin="5,5" MinWidth="80"><StackPanel><CheckBox HorizontalAlignment="Center" Margin="0,5" Name="chkMakerFilter" 
Checked="chkMakerFilter_Checked" Unchecked="chkMakerFilter_Unchecked">Filter</CheckBox>
<ComboBox Name="cbxMaker" VerticalAlignment="Top" 
HorizontalAlignment="Stretch" Margin="5,0" 
SelectionChanged="cbxMaker_SelectionChanged" IsEnabled="False"></ComboBox></StackPanel><Border.Background x:Uid="hi"><LinearGradientBrush EndPoint="1,0.5" StartPoint="0,0.5"><GradientStop Color="Black" Offset="0" /><GradientStop Color="#47E5D9D9" Offset="0.729" /></LinearGradientBrush></Border.Background></Border><Border Margin="5,5" MinWidth="80"><StackPanel><CheckBox HorizontalAlignment="Center" Margin="0,5" Name="chkTeamNameTxtFilter" 
Checked="chktxtTeamNameFilter_Checked" 
Unchecked="chktxtTeamNameFilter_Unchecked">Filter</CheckBox><TextBox Name="txtTeamNameFilter" VerticalAlignment="Top" 
MinWidth="50" HorizontalContentAlignment="Center" 
HorizontalAlignment="Stretch" Margin="5,0" 
TextChanged="txtTeamNameFilter_TextChanged" IsEnabled="False"></TextBox></StackPanel><Border.Background><LinearGradientBrush EndPoint="1,0.5" StartPoint="0,0.5"><GradientStop Color="Black" Offset="0" /><GradientStop Color="#47E5D9D9" Offset="0.729" /></LinearGradientBrush></Border.Background></Border><Border Margin="5,5" MinWidth="80"><StackPanel><CheckBox  HorizontalAlignment="Center" Margin="0,5" Name="chkGroupFilter" 
Checked="chkGroupFilter_Checked" Unchecked="chkGroupFilter_Unchecked" 
Content="Group by No Constructors"></CheckBox><CheckBox  HorizontalAlignment="Center" Margin="5" 
Name="chkGroupMakerFilter" Checked="chkGroupMakerFilter_Checked" 
Unchecked="chkGroupMakerFilter_Unchecked" Content="Group by Teams"></CheckBox></StackPanel><Border.Background><LinearGradientBrush EndPoint="1,0.5" StartPoint="0,0.5"><GradientStop Color="Black" Offset="0" /><GradientStop Color="#47E5D9D9" Offset="0.729" /></LinearGradientBrush></Border.Background></Border></StackPanel><Border Background="Red" CornerRadius="8" Grid.Row="1"><ListBox Name="lbxData" Margin="5" ItemsSource="{Binding Source={StaticResource cvsF1}}"><ListBox.GroupStyle><GroupStyle HeaderTemplate="{StaticResource hdrTemplate}"/></ListBox.GroupStyle></ListBox></Border></Grid></Window>

XAML.CS

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.ComponentModel;

namespace cvsFormulaOne
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        CollectionViewSource cvs;

        public MainWindow()
        {
            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            // retrieve CollectionViewSource resource from XAML
            cvs = this.Resources["cvsF1"] as CollectionViewSource;
            // fill combobox with EngineMakers of F1Teams
            cbxMaker.ItemsSource = Enum.GetNames(typeof(Makers));
            // set first Maker as selected if >0 Makers
            if (cbxMaker.Items.Count > 0) cbxMaker.SelectedIndex = 0;
            cvs.Filter += new FilterEventHandler(cvs_Filter);
        }

        private void RadioButton_Click(object sender, RoutedEventArgs e)
        {
            // retrieve the CollectionViewSource from the resources section of XAML
            string sortOrder = ((RadioButton)sender).Tag as String;         // query Radiobutton for sort order
            cvs.SortDescriptions.Clear();           // clear out existing sorting

            // apply new sort order
            if (sortOrder == "ASC") cvs.SortDescriptions.Add(new SortDescription("noDriverChampionships", 
ListSortDirection.Ascending));
            else cvs.SortDescriptions.Add(new SortDescription("noDriverChampionships", 
ListSortDirection.Descending));
        }

        void cvs_Filter(object sender, FilterEventArgs e)
        {
            F1Team f1 = e.Item as F1Team;
            if (chkMakerFilter.IsChecked == true)
            {
                //Makers m = (Makers)cbxMaker.SelectedItem;
                Makers m = (Makers)Enum.Parse(typeof(Makers), cbxMaker.SelectedItem.ToString(), true);
                if (f1.EngineMaker == m) e.Accepted = true;
                else e.Accepted = false;
            }
            else if (chkTeamNameTxtFilter.IsChecked == true)
            {
                if (f1.TeamName.ToLower().StartsWith(txtTeamNameFilter.Text.ToLower())) e.Accepted = true;
                else e.Accepted = false;
            }
        }

        private void cbxMaker_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            cvs.View.Refresh();
            chkTeamNameTxtFilter.IsChecked = false;
        }

        private void txtTeamNameFilter_TextChanged(object sender, TextChangedEventArgs e)
        {
            cvs.View.Refresh();
        }

        private void chkTeamNameTxtFilter_Checked(object sender, RoutedEventArgs e)
        {
            txtTeamNameFilter.IsEnabled = true;
            chkMakerFilter.IsChecked = false;
            chkGroupFilter.IsChecked = false;
            txtTeamNameFilter.Focus();
            cvs.View.Refresh();
        }

        private void chkTeamNameTxtFilter_Unchecked(object sender, RoutedEventArgs e)
        {
            txtTeamNameFilter.IsEnabled = false;
        }

        private void chkGroupMakerFilter_Checked(object sender, RoutedEventArgs e)
        {
            chkTeamNameTxtFilter.IsChecked = false;
            chkMakerFilter.IsChecked = false;
            chkGroupFilter.IsChecked = false;
            cvs.GroupDescriptions.Clear();
            cvs.SortDescriptions.Clear();
            cvs.SortDescriptions.Add(new SortDescription("TeamName", ListSortDirection.Ascending));
            cvs.SortDescriptions.Add(new SortDescription("noDriverChampionships", ListSortDirection.Descending));
            cvs.GroupDescriptions.Add(new PropertyGroupDescription("EngineMaker"));
        }

        private void chkGroupMakerFilter_Unchecked(object sender, RoutedEventArgs e)
        {
            cvs.GroupDescriptions.Clear();
            cvs.SortDescriptions.Clear();
            cvs.View.Refresh();
        }

        private void chkGroupFilter_Unchecked(object sender, RoutedEventArgs e)
        {
            cvs.GroupDescriptions.Clear();
            cvs.SortDescriptions.Clear();
            cvs.View.Refresh();
        }

        private void chkGroupFilter_Checked(object sender, RoutedEventArgs e)
        {
            chkTeamNameTxtFilter.IsChecked = false;
            chkMakerFilter.IsChecked = false;
            cvs.GroupDescriptions.Clear();
            cvs.SortDescriptions.Clear();
            cvs.SortDescriptions.Add(new SortDescription("noChampionships", ListSortDirection.Ascending));
            cvs.SortDescriptions.Add(new SortDescription("noDriverChampionships", ListSortDirection.Ascending));
            noChampionships pogc = new noChampionships();
            cvs.GroupDescriptions.Add(new PropertyGroupDescription("noChampionships", new noChampionships()));
        }

        private void chkMakerFilter_Checked(object sender, RoutedEventArgs e)
        {
            cbxMaker.IsEnabled = true;
            this.chkTeamNameTxtFilter.IsChecked = false;
            chkGroupFilter.IsChecked = false;
            cvs.View.Refresh();
        }

        private void chkMakerFilter_Unchecked(object sender, RoutedEventArgs e)
        {
            cbxMaker.IsEnabled = false;
            this.chkTeamNameTxtFilter.IsChecked = true;
            cvs.View.Refresh();
        }

        private void chktxtTeamNameFilter_Checked(object sender, RoutedEventArgs e)
        {
            txtTeamNameFilter.IsEnabled = true;
            chkMakerFilter.IsChecked = false;
            chkGroupFilter.IsChecked = false;
            txtTeamNameFilter.Focus();
            cvs.View.Refresh();
        }

        private void chktxtTeamNameFilter_Unchecked(object sender, RoutedEventArgs e)
        {
            txtTeamNameFilter.IsEnabled = false;
        }
    }
}

    class noChampionships : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo 
culture)
        {
            // establish range of values and assign incoming value to one of three divisions
            int minPrev, maxPrev, thirdInterval, inValue;
            int[] ranges = F1DB.getRangenoChampionships();
            inValue = (int)value;
            minPrev = ranges[0];
            maxPrev = ranges[1];
            thirdInterval = (maxPrev - minPrev) / 3;
            if (inValue < thirdInterval) return string.Format("{0}-{1}", minPrev, minPrev + thirdInterval);
            if (inValue < thirdInterval * 2) return string.Format("{0}-{1}", minPrev + thirdInterval, 
minPrev + thirdInterval * 2);
            return String.Format("{0}-{1}", minPrev + thirdInterval * 2, maxPrev);
        }

        public object ConvertBack(object value, Type targetType, object parameter, 
System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

CLASSES

    class noChampionships : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, 
System.Globalization.CultureInfo culture)
        {
            // establish range of values and assign incoming value to one of three divisions
            int minPrev, maxPrev, thirdInterval, inValue;
            int[] ranges = F1DB.getRangenoChampionships();
            inValue = (int)value;
            minPrev = ranges[0];
            maxPrev = ranges[1];
            thirdInterval = (maxPrev - minPrev) / 3;
            if (inValue < thirdInterval) return string.Format("{0}-{1}", minPrev, minPrev + thirdInterval);
            if (inValue < thirdInterval * 2) return string.Format("{0}-{1}", minPrev + thirdInterval, minPrev + 
thirdInterval * 2);
            return String.Format("{0}-{1}", minPrev + thirdInterval * 2, maxPrev);
        }

        public object ConvertBack(object value, Type targetType, object parameter, 
System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace cvsFormulaOne
{
    public enum Makers { Toyota, Ford, Jaguar, Mercedes, Renualt, Lotus };

    public class F1Team
    {
        public Makers EngineMaker { get; set; }
        public string TeamName { get; set; }
        public int noDriverChampionships { get; set; }
        public int noChampionships { get; set; }

        public override string ToString()
        {
            return String.Format("{0} Engine \t{1} \t(Won {2} Driver and Won {3} Constructor Champioships).", 
EngineMaker, TeamName, noDriverChampionships, noChampionships);
        }
    }   // end class
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections.ObjectModel;

namespace cvsFormulaOne
{
    public class F1DB
    {
        private static ObservableCollection<F1Team> F1Teams = new ObservableCollection<F1Team>();

        public static ObservableCollection<F1Team> getTeams()
        {
            return F1Teams;
        }

         static F1DB()
        {   // populate with some F1Teams objects
            F1Teams.Add(new F1Team { EngineMaker = Makers.Toyota, TeamName = "Toyota F1", 
noDriverChampionships = 0, noChampionships = 0});
            F1Teams.Add(new F1Team { EngineMaker = Makers.Ford, TeamName = "Steward F1", 
noDriverChampionships = 0, noChampionships = 0 });
            F1Teams.Add(new F1Team { EngineMaker = Makers.Jaguar, TeamName = "Jaguar F1", 
noDriverChampionships = 0, noChampionships = 0 });
            F1Teams.Add(new F1Team { EngineMaker = Makers.Mercedes, TeamName = "Vodafone McLaren", 
noDriverChampionships = 12, noChampionships = 8 });
            F1Teams.Add(new F1Team { EngineMaker = Makers.Mercedes, TeamName = "Mercedes F1", 
noDriverChampionships = 2, noChampionships = 0 });
            F1Teams.Add(new F1Team { EngineMaker = Makers.Mercedes, TeamName = "Force India", 
noDriverChampionships = 0, noChampionships = 0 });
            F1Teams.Add(new F1Team { EngineMaker = Makers.Renualt, TeamName = "Red Bull Racing", 
noDriverChampionships = 3, noChampionships = 3 });
            F1Teams.Add(new F1Team { EngineMaker = Makers.Renualt, TeamName = "Williams F1", 
noDriverChampionships = 5, noChampionships = 5 });
            F1Teams.Add(new F1Team { EngineMaker = Makers.Renualt, TeamName = "Caterham F1", 
noDriverChampionships = 0, noChampionships = 0 });
            F1Teams.Add(new F1Team { EngineMaker = Makers.Lotus, TeamName = "Lotus F1", 
noDriverChampionships = 2, noChampionships = 2 });

        }
        // Adds another F1Teams to database
        public static void addCar(F1Team F1)
        {
            F1Teams.Add(F1);
        }

        public static int[] getRangenoChampionships()
        {
            // return min and max of values in db for noChampionships
            return new int[] { (from F1 in F1Teams select F1.noChampionships).Min(), (from F1 in F1Teams select F1.noChampionships).Max() };
        }
    }   // end class
}

And what I'd like to know how would u put an image into the header example the manufacturer icon. Can anyone help me, cheers.

NB:Anyone who might create this file, and you'll see the ui, I know its a bit odd of a UI, but sorry, not good at create stylish the UI