■ MaxLengthReachedBehavior 클래스의 Command 속성을 사용해 사용자가 최대 길이 입력시 처리하는 방법을 보여준다.
▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <?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" MaxLength="20" Placeholder="최대 길이로 입력할 때가 타이핑을 해주시기 바랍니다." /> </ContentPage> |
▶ MainPage.xaml.cs
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using System.Windows.Input; using CommunityToolkit.Maui.Behaviors; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 최대 길이 도달시 명령 - MaximumLengthReachedCommand /// <summary> /// 최대 길이 도달시 명령 /// </summary> public ICommand MaximumLengthReachedCommand { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); MaximumLengthReachedCommand = new Command ( execute : async () => { await DisplayAlert("INFORMATION", "최대 길이까지 입력했습니다.", "확인"); } ); MaxLengthReachedBehavior behavior = new MaxLengthReachedBehavior(); behavior.SetBinding ( MaxLengthReachedBehavior.CommandProperty, new Binding(nameof(MaximumLengthReachedCommand)) ); this.entry.Behaviors.Add(behavior); BindingContext = this; } #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 } |
