1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | 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>
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | 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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | 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>
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | 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}); } } } |
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