//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.ComponentModel; namespace WpfApplication1 { public class Person { string name; public string Name { get { return this.name; } set { if( this.name == value ) { return; } this.name = value; } } int age; public int Age { get { return this.age; } set { if( this.age == value ) { return; } this.age = value; } } public Person() { } public Person(string name, int age) { this.name = name; this.age = age; } } public partial class Window1 : System.Windows.Window { public Window1() { InitializeComponent(); this.birthdayButton.Click += birthdayButton_Click; } void birthdayButton_Click(object sender, RoutedEventArgs e) { Person person = (Person)this.FindResource("Tom"); person.Age = person.Age+1; BindingOperations.GetBindingExpression(ageTextBox, TextBox.TextProperty).UpdateTarget(); Console.WriteLine(person.Name); Console.WriteLine(person.Age); } } }