using Xamarin.Forms.CustomAttributes; using Xamarin.Forms.Internals; namespace Xamarin.Forms.Controls { [Preserve (AllMembers = true)] [Issue (IssueTracker.Bugzilla, 37601, "ToolbarItem throws error when navigating to TabbedPage ", PlatformAffected.WinPhone)] public class Bugzilla37601 : TestNavigationPage { protected override void Init () { Navigation.PushAsync (new SelectPage ()); } } internal class SelectPage : ContentPage { public SelectPage () { var button = new Button { Text = "Move" }; var label = new Label { Text = "Click the Move button. If the next page is displayed, the test has passed. If the app crashes, the test has failed." }; Content = new StackLayout { Children = { label, button } }; button.Clicked += (sender, args) => { Navigation.PushAsync (new TabbedMain (), true); }; ToolbarItems.Add (new ToolbarItem { Text = "Log Out" }); } } internal class TabbedMain : TabbedPage { public TabbedMain () { var page1 = new ContentPage { Title = "Page1" }; page1.Content = new StackLayout { Children = { new Label { Text = "If you can see this, we haven't crashed. Yay!" } } }; Children.Add (page1); Children.Add (new ContentPage { Title = "Page2" }); } } }