using MauiAppStock.Views; namespace MauiAppStock; public partial class AppShell : Shell { public AppShell() { InitializeComponent(); } protected override void OnNavigating(ShellNavigatingEventArgs args) { base.OnNavigating(args); bool isMainPage = args.Target?.Location?.OriginalString == "//MainPage"; Shell.SetBackButtonBehavior(this, new BackButtonBehavior { IsVisible = !isMainPage }); } }