WPF Demo14 依赖属性

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using System.Windows;   namespace DependencyPropertyDemo1 {     public class Student:DependencyObject     {         public static readonly DependencyProperty NameProperty =             DependencyProperty.Register("Name",typeof(string),typeof(Student));           // Using a DependencyProperty as the backing store for MyProperty.  This enables animation, styling, binding, etc...         public static readonly DependencyProperty AgeProperty =             DependencyProperty.Register("Age", typeof(int), 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); }         }     } }

<Window x:Class="DependencyPropertyDemo1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="110,139,0,0" Name="button1" VerticalAlignment="Top" Width="75" Click="button1_Click" />
        <TextBox Height="23" HorizontalAlignment="Left" Margin="110,34,0,0" Name="textBox1" VerticalAlignment="Top" Width="120" />
        <TextBox Height="23" HorizontalAlignment="Left" Margin="110,74,0,0" Name="textBox2" VerticalAlignment="Top" Width="120" />
    </Grid>
</Window>

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using System.Windows;   namespace DependencyPropertyDemo1 {     /// <summary>     /// MainWindow.xaml 的交互逻辑     /// </summary>     public partial class MainWindow : Window     {         public MainWindow()         {             InitializeComponent();         }           private void button1_Click(object sender, RoutedEventArgs e)         {             Student stu = new Student();             stu.Name = this.textBox1.Text;             this.textBox2.Text = stu.Name;         }     } }

 

用法二：

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using System.Windows; using System.Windows.Data;   namespace DependencyPropertyDemo2 {     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 BindingExpressionBase SetBinding(DependencyProperty dp, BindingBase binding)         {             return BindingOperations.SetBinding(this,dp,binding);         }     } }

<Window x:Class="DependencyPropertyDemo2.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <TextBox Height="23" HorizontalAlignment="Left" Margin="110,34,0,0" Name="textBox1" VerticalAlignment="Top" Width="120" />
        <TextBox Height="23" HorizontalAlignment="Left" Margin="110,74,0,0" Name="textBox2" VerticalAlignment="Top" Width="120" />
    </Grid>
</Window>

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using System.Windows; using System.Windows.Controls; using System.Windows.Data;   namespace DependencyPropertyDemo2 {     /// <summary>     /// MainWindow.xaml 的交互逻辑     /// </summary>     public partial class MainWindow : Window     {         public MainWindow()         {             InitializeComponent();               Student stu = new Student();               stu.SetBinding(Student.nameProperty, new Binding("Text") { Source = this.textBox1});               textBox2.SetBinding(TextBox.TextProperty, new Binding("Name") { Source = stu});         }     } }