■ ComboBox 엘리먼트의 TextSubmitted 이벤트를 사용하는 방법을 보여준다.
▶ MainPage.xaml
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<Page x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}" FontFamily="나눔고딕코딩" FontSize="16"> <Grid> <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center"> <ComboBox Name="comboBox" HorizontalAlignment="Center" Width="200" Header="폰트 크기" IsEditable="True" ItemsSource="{x:Bind fontSizeList}" Loaded="comboBox_Loaded" TextSubmitted="comboBox_TextSubmitted" /> <TextBlock Name="textBlock" HorizontalAlignment="Center" Margin="0 10 0 0" FontFamily="Segoe UI" FontSize="{x:Bind (x:Double)comboBox.SelectedValue, Mode=OneWay}" Text="You can set the font size used for this text." /> </StackPanel> </Grid> </Page> |
▶ MainPage.xaml.cs
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using System.Collections.Generic; using Windows.Foundation; using Windows.Graphics.Display; using Windows.UI.ViewManagement; using Windows.UI.Xaml; using Windows.UI.Xaml.Controls; namespace TestProject { /// <summary> /// 메인 페이지 /// </summary> public sealed partial class MainPage : Page { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 폰트 크기 리스트 /// </summary> private List<double> fontSizeList { get; } = new List<double>() { 8, 9, 10, 11, 12, 14, 16, 18, 20, 24, 28, 36, 48, 72 }; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); #region 윈도우 크기를 설정한다. double width = 800d; double height = 600d; double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi; ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize; Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi); ApplicationView.PreferredLaunchViewSize = windowSize; Window.Current.Activate(); ApplicationView.GetForCurrentView().TryResizeView(windowSize); #endregion #region 윈도우 제목을 설정한다. ApplicationView.GetForCurrentView().Title = "ComboBox 엘리먼트 : TextSubmitted 이벤트 사용하기"; #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 콤보 박스 로드시 처리하기 - comboBox_Loaded(sender, e) /// <summary> /// 콤보 박스 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void comboBox_Loaded(object sender, RoutedEventArgs e) { this.comboBox.SelectedIndex = 2; } #endregion #region 콤보 박스 텍스트 제출시 처리하기 - comboBox_TextSubmitted(comboBox, e) /// <summary> /// 콤보 박스 텍스트 제출시 처리하기 /// </summary> /// <param name="comboBox">콤보 박스</param> /// <param name="e">이벤트 인자</param> private void comboBox_TextSubmitted(ComboBox comboBox, ComboBoxTextSubmittedEventArgs e) { bool isDouble = double.TryParse(comboBox.Text, out double newValue); if(isDouble && (this.fontSizeList.Contains(newValue) || (newValue <= 100 && newValue >= 8))) { comboBox.SelectedItem = newValue; } else { comboBox.Text = comboBox.SelectedValue.ToString(); ContentDialog contentDialog = new ContentDialog { Content = "폰트 크기는 8에서 100 사이어야 합니다.", CloseButtonText = "닫기", DefaultButton = ContentDialogButton.Close }; IAsyncOperation<ContentDialogResult> asyncOperation = contentDialog.ShowAsync(); } e.Handled = true; } #endregion } } |