68 lines
1.9 KiB
C#
68 lines
1.9 KiB
C#
Use ObservableCollection as Resource
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<Canvas xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:src="clr-namespace:ListBoxEvent" x:Class="ListBoxEvent.Pane1">
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<Canvas.Resources>
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<src:myColors x:Key="Colors"/>
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</Canvas.Resources>
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<StackPanel>
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<TextBox Name="tb" Width="150" Height="30"></TextBox>
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<ListBox Name="lb" Width="120" Height="60" SelectionChanged="PrintText" SelectionMode="Single">
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<ListBoxItem>Item 1</ListBoxItem>
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<ListBoxItem>Item 2</ListBoxItem>
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<ListBoxItem>Item 3</ListBoxItem>
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<ListBoxItem>Item 4</ListBoxItem>
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<ListBoxItem>Item 5</ListBoxItem>
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<ListBoxItem>Item 6</ListBoxItem>
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<ListBoxItem>Item 7</ListBoxItem>
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<ListBoxItem>Item 8</ListBoxItem>
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<ListBoxItem>Item 9</ListBoxItem>
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<ListBoxItem>Item 10</ListBoxItem>
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</ListBox>
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</StackPanel>
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</Canvas>
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//File:Window.xaml.cs
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using System;
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using System.ComponentModel;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Documents;
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using System.Windows.Navigation;
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using System.Windows.Shapes;
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using System.Windows.Data;
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using System.Windows.Media;
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using System.Collections.ObjectModel;
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namespace ListBoxEvent
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{
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public class myColors : ObservableCollection<string>
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{
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public myColors()
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{
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Add("A");
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Add("B");
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Add("C");
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Add("D");
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Add("E");
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Add("F");
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}
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}
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public partial class Pane1 : Canvas
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{
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public Pane1() : base(){
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InitializeComponent();
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}
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void PrintText(object sender, SelectionChangedEventArgs args)
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{
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ListBoxItem lbi = ((sender as ListBox).SelectedItem as ListBoxItem);
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tb.Text = " You selected " + lbi.Content.ToString() + ".";
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}
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}
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}
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