Silverlight4入门之listbox控件(六)_silverlight 可输入的listbox-优快云博客

本文链接：https://blog.youkuaiyun.com/suzhi921/article/details/6880776

本文展示了一个使用Silverlight编写的简单应用程序实例，该程序通过ListBox实现列表选择功能，并将选择的内容显示在一个TextBox中。代码涉及事件处理及UI元素绑定。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace FirstSilverlightApplication
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
           
        }

        private void listBox1_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            ListBoxItem theItem = listBox1.SelectedItem as ListBoxItem;
            textBox1.Text = theItem.Content.ToString();
        }


      
    }
}

<UserControl x:Class="FirstSilverlightApplication.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    d:DesignHeight="300" d:DesignWidth="400" xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk">

    <Grid x:Name="LayoutRoot" Background="White">
        <ListBox Height="154" HorizontalAlignment="Left" Margin="59,12,0,0" Name="listBox1" VerticalAlignment="Top" Width="239" ItemsSource="{Binding}" SelectionChanged="listBox1_SelectionChanged">
            <ListBoxItem Content="List1" />
            <ListBoxItem Content="List2" />
            <ListBoxItem Content="List3" />
        </ListBox>
        <TextBox Height="23" HorizontalAlignment="Left" Margin="59,192,0,0" Name="textBox1" VerticalAlignment="Top" Width="239" />
    </Grid>
</UserControl>