WPF Enums in XAML And Root Addressing For Images

<Window x:Class="WPFTutorial.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:enums="clr-namespace:BusinessLogic.Enums;assembly=BusinessLogic"
    xmlns:data="clr-namespace:BusinessLogic;assembly=BusinessLogic"
    Title="Window1" Height="518" Width="658" WindowStartupLocation="CenterScreen">
    
    <Window.Resources>
        
           <DataTemplate x:Key="ColumnHeader">
                              
                 <StackPanel Orientation="Horizontal">
                     <TextBlock Text="Candidate"  Margin="3,3,3,3"/>
                 </StackPanel>
                   
         </DataTemplate>
      
         <DataTemplate x:Key="Cell"  DataType="x:Type data:Candidate">
                                
        <StackPanel Orientation="Horizontal">
           <Image  x:Name="Icon" HorizontalAlignment="Right"  Margin="3,3,3,3"
  VerticalAlignment="Bottom" Width="16" Height="16"
                 Source="/BusinessLogic;component/graphics/icons/Republican.gif"
Stretch="Fill" Visibility="Collapsed"/>
                     <TextBlock Text="{Binding Path=CandidateName, Mode=OneWay}"
Margin="3,3,3,3"/>
                 </StackPanel>
                   
               <DataTemplate.Triggers>
                   <DataTrigger Binding="{Binding Path=PoliticalPartyType}">
                     <DataTrigger.Value>
                          <enums:PoliticalPartyTypes>
                              Unknown
                          </enums:PoliticalPartyTypes>
                     </DataTrigger.Value>
                      <Setter TargetName="Icon" Property="Visibility" Value="Hidden"/>
                 </DataTrigger>
                 <DataTrigger Binding="{Binding Path=PoliticalPartyType}">
                     <DataTrigger.Value>
                          <enums:PoliticalPartyTypes>
                              Republican
                          </enums:PoliticalPartyTypes>
                     </DataTrigger.Value>
                        <Setter TargetName="Icon" Property="Source"
Value="/BusinessLogic;component/graphics/icons/republican.gif"/>
                       <Setter TargetName="Icon" Property="Visibility" Value="Visible"/>
                 </DataTrigger>
                   <DataTrigger Binding="{Binding Path=PoliticalPartyType}">
                     <DataTrigger.Value>
                          <enums:PoliticalPartyTypes>
                              Democrat
                          </enums:PoliticalPartyTypes>
                     </DataTrigger.Value>
                        <Setter TargetName="Icon" Property="Source"
Value="/BusinessLogic;component/graphics/icons/democrat.gif"/>
                       <Setter TargetName="Icon" Property="Visibility" Value="Visible"/>
                 </DataTrigger>
                     <DataTrigger Binding="{Binding Path=PoliticalPartyType}">
                     <DataTrigger.Value>
                          <enums:PoliticalPartyTypes>
                              Conservative
                          </enums:PoliticalPartyTypes>
                     </DataTrigger.Value>
                        <Setter TargetName="Icon" Property="Source"
Value="/BusinessLogic;component/graphics/icons/republican.gif"/>
                       <Setter TargetName="Icon" Property="Visibility" Value="Visible"/>
                 </DataTrigger>
               </DataTemplate.Triggers>
         </DataTemplate>
      
        
    </Window.Resources>
    
    
         <ListView Name="ListTemplates" Width="Auto" Height="Auto"
VerticalAlignment="Stretch"  HorizontalAlignment="Stretch">
             <ListView.View>
               <GridView>
                   <GridViewColumn Header="Candidate Name"
HeaderTemplate="{StaticResource ColumnHeader}"
CellTemplate="{DynamicResource Cell}"  />
               </GridView>
              </ListView.View>
               <ListView.ItemContainerStyle>
                     <Style TargetType="{x:Type ListViewItem}">
                           <Setter Property="HorizontalContentAlignment"
Value="Stretch" />
                     </Style>
               </ListView.ItemContainerStyle>
             </ListView>
</Window>




// Code behind

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading;
using System.Windows.Threading;
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;
using BusinessLogic;
using BusinessLogic.Enums;

namespace WPFTutorial
{
    /// <summary>
    /// Interaction logic for Window1.xaml
    /// </summary>
    public partial class Window1 : Window, INotifyPropertyChanged
    {
        public Window1()
        {
             InitializeComponent();
            this.Loaded += new RoutedEventHandler(Window1_Loaded);
        }

        private void Window1_Loaded(object sender, RoutedEventArgs e)
        {
            LoadCandidates();
            this.ListTemplates.ItemsSource = CandidateList;
        }

        private void LoadCandidates()
        {
            ObservableCollection<Candidate>  list = new ObservableCollection<Candidate>();
             list.Add(new Candidate(0, "2008", "Candidates", (int)PoliticalPartyTypes.Republican));
             list.Add(new Candidate(1, "John", "McCain", (int)PoliticalPartyTypes.Republican));
             list.Add(new Candidate(2, "Lord", "Obama", (int)PoliticalPartyTypes.Democrat));
             list.Add(new Candidate(3, "Robbe", "Morris", (int)PoliticalPartyTypes.Conservative));

             this.CandidateList = list;
        }

        private ObservableCollection<Candidate> _candidateList = null;
        public ObservableCollection<Candidate> CandidateList
        {
            get
            {
                 return _candidateList;
            }
            set
            {
                _candidateList = value;
                 OnPropertyChanged("CandidateList");
            }
        }

        private Candidate _selectedCandidate;
        public Candidate SelectedCandidate
        {
            get { return _selectedCandidate; }
            set
            {
                _selectedCandidate = value;

                 OnPropertyChanged("SelectedCandidate");
            }
        }
  
        public event PropertyChangedEventHandler PropertyChanged;

         protected void OnPropertyChanged(string propertyName)
        {
             if (PropertyChanged == null) { return; }
            PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }
      

    }
}



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

namespace BusinessLogic
{
    public class Candidate
    {

         public Candidate(int candidateID, string firstName, string lastName, int politicalPartyID)
        {
            _candidateID = candidateID;
            _firstName = firstName;
            _lastName = lastName;
            _politicalPartyTypeID = politicalPartyID;
        }

        private int _candidateID = 0;
        public int CandidateID
        {
            get { return _candidateID; }
            set { _candidateID = value; }
        }

         public string CandidateName
        {
            get { return FirstName + " " + LastName; }
        }

        private string _firstName = string.Empty;
        public string FirstName
        {
            get { return _firstName; }
            set { _firstName = value.Trim(); }
        }

        private string _lastName = string.Empty;
        public string LastName
        {
            get { return _lastName; }
            set { _lastName = value.Trim(); }
        }

        private int _politicalPartyTypeID = 0;
        public int PoliticalPartyTypeID
        {
            get { return _politicalPartyTypeID; }
            set { _politicalPartyTypeID = value; }
        }

         public Enums.PoliticalPartyTypes PoliticalPartyType
        {
            get { return (Enums.PoliticalPartyTypes)_politicalPartyTypeID; }
         }

    }
}

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

namespace BusinessLogic.Enums
{

    public enum PoliticalPartyTypes : int
    {
       Unknown = 0,
        Republican = 1,
        Democrat = 2,
        Conservative = 3
    }
    
}