■ ListBox 클래스의 SelectionChanged 이벤트를 사용하는 방법을 보여준다.
▶ MainWindow.xaml
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<?xml version="1.0" encoding="utf-8"?> <Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:TestProject" Title="TestProject"> <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center"> <ListBox Name="listBox" HorizontalAlignment="Center" Width="200" HighContrastAdjustment="Auto"> <x:String>Blue</x:String> <x:String>Green</x:String> <x:String>Red</x:String> <x:String>Yellow</x:String> </ListBox> <Rectangle Name="textBlock" HorizontalAlignment="Center" Margin="0 10 0 0" Width="100" Height="100" /> </StackPanel> </Window> |
▶ MainWindow.xaml.cs
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using Microsoft.UI.Xaml; using Microsoft.UI.Xaml.Controls; using Microsoft.UI.Xaml.Media; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public sealed partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); this.listBox.SelectionChanged += listBox_SelectionChanged; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 리스트 박스 선택 변경시 처리하기 - listBox_SelectionChanged(sender, e) /// <summary> /// 리스트 박스 선택 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void listBox_SelectionChanged(object sender, SelectionChangedEventArgs e) { string colorName = e.AddedItems[0].ToString(); switch(colorName) { case "Yellow" : this.textBlock.Fill = new SolidColorBrush(Microsoft.UI.Colors.Yellow); break; case "Green" : this.textBlock.Fill = new SolidColorBrush(Microsoft.UI.Colors.Green); break; case "Blue" : this.textBlock.Fill = new SolidColorBrush(Microsoft.UI.Colors.Blue); break; case "Red" : this.textBlock.Fill = new SolidColorBrush(Microsoft.UI.Colors.Red); break; } } #endregion } } |
