WPF Binding的代码实现

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

namespace XamlTest
{
    /// <summary>
    /// Interaction logic for Window7.xaml
    /// </summary>
    public partial class Window7 : Window
    {
        public Window7()
        {
            InitializeComponent();
            //Binding b = new Binding();
            //b.Source = s;
            //b.Path = new PropertyPath("Name");
            //BindingOperations.SetBinding(this.txtName, TextBox.TextProperty, b);

            //第二种写法
            this.txtName.SetBinding(TextBox.TextProperty, new Binding("Name") { Source = s });
        }
        private Student s=new Student();
        private void btn_Click_1(object sender, RoutedEventArgs e)
        {
            s.Name += "Name";
        }
    }

}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace XamlTest
{
    public class Student:INotifyPropertyChanged
    {
        private string name;

        public string Name
        {
            get { return name; }
            set 
            { 
                name = value;
                OnPropertyChanged("Name");
            }
        }

        public event PropertyChangedEventHandler PropertyChanged;

        public void OnPropertyChanged(string propertyName)
        {
            if (PropertyChanged!=null)
            {
                PropertyChanged.Invoke(this,new PropertyChangedEventArgs(propertyName));
            }
        }
    }
}