WPF(依赖属性)
using System.Windows;using System.Windows.Controls;using System.Windows.Data;namespace TestOfFirstDependencyObject{ /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { private Student stu; public MainWindow() { InitializeComponent(); stu = new Student(); //Binding binding = new Binding("Text") // { // Source = textBox1 // }; //BindingOperations.SetBinding(stu, Student.NameProperty, binding); stu.SetBinding(Student.NameProperty, new Binding("Text") { Source = textBox1 }); textBox2.SetBinding(TextBox.TextProperty, new Binding("Name") { Source = stu }); } private void Button_Click(object sender, RoutedEventArgs e) { //Student stu = new Student(); //stu.SetValue(Student.NameProperty,this.textBox1.Text); //textBox2.Text = stu.GetValue(Student.NameProperty) as string; //MessageBox.Show(stu.GetValue(Student.NameProperty).ToString()); //Student stu = new Student(); //stu.Name = textBox1.Text; //this.textBox2.Text = stu.Name; } } public class Student : DependencyObject { public static readonly DependencyProperty NameProperty = DependencyProperty.Register("Name", typeof(string), typeof(Student)); public string Name { get { return (string)GetValue(NameProperty); } set { SetValue(NameProperty, value); } } public int Age { get { return (int)GetValue(AgeProperty); } set { SetValue(AgeProperty, value); } } // Using a DependencyProperty as the backing store for Age. This enables animation, styling, binding, etc... public static readonly DependencyProperty AgeProperty = DependencyProperty.Register("Age", typeof(int), typeof(Student), new UIPropertyMetadata(0)); public BindingExpressionBase SetBinding(DependencyProperty dp, BindingBase binding) { return BindingOperations.SetBinding(this, dp, binding); } public static readonly DependencyProperty IdProperty = DependencyProperty.Register("Id", typeof(int), typeof(Student)); public int Id { get { return (int)this.GetValue(IdProperty); } set { this.SetValue(IdProperty, value); } } public string School { get { return (string)GetValue(SchoolProperty); } set { SetValue(SchoolProperty, value); } } // Using a DependencyProperty as the backing store for School. This enables animation, styling, binding, etc... public static readonly DependencyProperty SchoolProperty = DependencyProperty.Register("School", typeof(string), typeof(Student), new UIPropertyMetadata("")); }}