■ ShellNavigatingEventArgs 클래스의 GetDeferral 메소드를 사용해 탐색 지연을 사용하는 방법을 보여준다.
▶ AppShell.xaml
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<?xml version="1.0" encoding="utf-8" ?> <Shell x:Class="TestProject.AppShell" x:Name="shell" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:local="clr-namespace:TestProject"> <FlyoutItem Route="동물" FlyoutDisplayOptions="AsMultipleItems"> <Tab Route="국내" Icon="sample1.png" Title="국내"> <ShellContent Route="고양이" Icon="sample2.png" Title="고양이" ContentTemplate="{DataTemplate local:CatPage}" /> <ShellContent Route="개" Icon="sample3.png" Title="개" ContentTemplate="{DataTemplate local:DogPage}" /> </Tab> <ShellContent Route="원숭이" Icon="sample1.png" Title="원숭이" ContentTemplate="{DataTemplate local:MonkeyPage}" /> <ShellContent Route="코끼리" Icon="sample2.png" Title="코끼리" ContentTemplate="{DataTemplate local:ElephantPage}" /> <ShellContent Route="곰" Icon="sample3.png" Title="곰" ContentTemplate="{DataTemplate local:BearPage}" /> </FlyoutItem> <ShellContent Route="정보" Icon="sample1.png" Title="정보" ContentTemplate="{DataTemplate local:AboutPage}" /> </Shell> |
▶ AppShell.xaml.cs
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namespace TestProject; /// <summary> /// 앱 쉘 /// </summary> public partial class AppShell : Shell { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - AppShell() /// <summary> /// 생성자 /// </summary> public AppShell() { InitializeComponent(); Routing.RegisterRoute("원숭이/원숭이상세", typeof(MonkeyDetailPage)); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 탐색 전 처리하기 - OnNavigating(e) /// <summary> /// 탐색 전 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override async void OnNavigating(ShellNavigatingEventArgs e) { base.OnNavigating(e); if(e.Current != null && e.Current.Location.OriginalString.StartsWith("//동물/국내/") && e.Target.Location.OriginalString.StartsWith("//동물/국내/")) { return; } ShellNavigatingDeferral deferral = e.GetDeferral(); string result = await DisplayActionSheet("확인", "예", "아니오", "페이지를 이동하시겠습니까?"); if(result != "예") { e.Cancel(); } deferral.Complete(); } #endregion } |
