■ NumericValidationBehavior 클래스를 사용해 사용자 입력 숫자를 검증하는 방법을 보여준다.
▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Entry x:Name="entry" HorizontalOptions="Center" VerticalOptions="Center" BackgroundColor="Yellow" Keyboard="Numeric" Placeholder="값을 입력해 주시기 바랍니다." /> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Behaviors; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); Style validStyle = new Style(typeof(Entry)); validStyle.Setters.Add(new Setter { Property = Entry.TextColorProperty, Value = Colors.Green }); Style invalidStyle = new Style(typeof(Entry)); invalidStyle.Setters.Add(new Setter { Property = Entry.TextColorProperty, Value = Colors.Red }); NumericValidationBehavior behavior = new NumericValidationBehavior { ValidStyle = validStyle, InvalidStyle = invalidStyle, Flags = ValidationFlags.ValidateOnValueChanged, MinimumValue = 1.0, MaximumValue = 100.0, MaximumDecimalPlaces = 2 }; this.entry.Behaviors.Add(behavior); } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
