<Window x:Class="DataTriggerSample.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:c="clr-namespace:DataTriggerSample" Title="DataTriggerSample" Height="300" Width="300"> <Window.Resources> <c:People x:Key="PeopleData"/> <Style TargetType="{x:Type ListBoxItem}"> <Style.Triggers> <DataTrigger Binding="{Binding Path=RelationshipType}" Value="Family"> <Setter Property="Background" Value="Yellow" /> </DataTrigger> <DataTrigger Binding="{Binding Path=RelationshipType}" Value="Friend"> <Setter Property="Background" Value="Pink" /> </DataTrigger> <MultiDataTrigger> <MultiDataTrigger.Conditions> <Condition Binding="{Binding Path=Name}" Value="A" /> <Condition Binding="{Binding Path=RelationshipType}" Value="Best Friend" /> </MultiDataTrigger.Conditions> <MultiDataTrigger.Setters> <Setter Property="Background" Value="LightGreen" /> </MultiDataTrigger.Setters> </MultiDataTrigger> </Style.Triggers> </Style> <DataTemplate DataType="{x:Type c:Person}"> <Canvas Width="260" Height="20"> <TextBlock FontSize="12" Width="130" Canvas.Left="0" Text="{Binding Path=Name}"/> <TextBlock FontSize="12" Width="130" Canvas.Left="130" Text="{Binding Path=RelationshipType}"/> </Canvas> </DataTemplate> </Window.Resources> <StackPanel> <TextBlock FontSize="18" FontWeight="Bold" HorizontalAlignment="Center">Data Trigger Sample</TextBlock> <ListBox Width="250" HorizontalAlignment="Center" Background="White" ItemsSource="{Binding Source={StaticResource PeopleData}}"/> </StackPanel> </Window> //File:Window.xaml.cs using System; using System.Collections.Generic; 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.Shapes; using System.Collections.ObjectModel; namespace DataTriggerSample { public partial class Window1 : System.Windows.Window { public Window1() { InitializeComponent(); } } public class Person { private string _name; private string _relationshipType; public string Name { get { return _name; } set { _name = value; } } public string RelationshipType { get { return _relationshipType; } set { _relationshipType = value; } } public Person(string name, string relationshiptype) { this._name = name; this._relationshipType = relationshiptype; } } public class People : ObservableCollection<Person> { public People() { Add(new Person("A", "Friend")); Add(new Person("C", "Family")); Add(new Person("B", "Friend")); } } }