WPF如何实现数据和控件的绑定
WPF怎么实现数据和控件的绑定
例如textbox,怎么让他随着我定义的string型变量的改变而显示不同的字符?
------解决方案--------------------
一样的啊。假设项目文件结构如下:
例如textbox,怎么让他随着我定义的string型变量的改变而显示不同的字符?
WPF
控件
textbox
------解决方案--------------------
一样的啊。假设项目文件结构如下:
<Window x:Class="WpfTest.Window2"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window2" Height="300" Width="300">
<Grid>
<Image Height="150" HorizontalAlignment="Left" Margin="12,12,0,0" Name="image1" Stretch="Fill" VerticalAlignment="Top" Width="200" Source="{Binding Path=MyString}" />
<Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="40,176,0,0" Name="button1" VerticalAlignment="Top" Width="75" Click="button1_Click" />
</Grid>
</Window>
using System;
using System.ComponentModel;
using System.Windows;
namespace WpfTest
{
/// <summary>
/// Window2.xaml 的交互逻辑
/// </summary>
public partial class Window2 : Window, INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
private void NotifyPropertyChanged(String propertyName)
{
if (PropertyChanged != null) {
PropertyChanged(this, new PropertyChangedEventArgs(propertyName));