[uwp] Frame.Navigate( typeof(non_xaml_class_derived_from_Page)) crashes w/ Native Toolchain

BuildCalc 6 Reputation points
2021-11-06T15:50:08.31+00:00

Describe the bug

When given a Non-XAML (pure code) class derived from Page, Frame.Navigate crashes when compiled using Native Toolchain.

Steps to reproduce the bug

USING SAMPLE PROJECT

  1. Clone the following repo: https://github.com/baskren/NativeToolchain_NonXamlPage_crash.git
  2. Run in Debug WITHOUT Native Toolchain
  3. Click NOT A XAML PAGE button to navigate from XAML PAGE to NOT A XAML PAGE, successfully
  4. Run in Debug WITH Native Toolchain or run in Release
  5. Click NOT A XAML PAGE button to crash app. ### FROM SCRATCH
  6. Create a new UWP App
  7. Create a new class file, named NoXaml.cs and derive the class NoXaml from Windows.UI.Xaml.Controls.Page
  8. Add [Windows.UI.Xaml.Data.Bindable] attribute to the NoXaml class
  9. In App.xaml.cs, replace rootFrame.Navigate(typeof(MainPage), e.Arguments); with rootFrame.Navigate(typeof(NoXaml), e.Arguments);
  10. In the project's options, enable the Native Toolchain
  11. Build, run, watch crash ## Expected behavior

Frame.Navigate works with Non-XAML Pages.

Screenshots

image

IDE

Visual Studio 2019

NuGet package version

No response

Project type

  • [X] Packaged
  • [X] Unpackaged ## Windows version

May 2021 Update (19043)

Additional context

Note: recommendation from https://github.com/microsoft/microsoft-ui-xaml/issues/1949 was applied

Universal Windows Platform (UWP)
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1 answer

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  1. Nico Zhu (Shanghai Wicresoft Co,.Ltd.) 12,851 Reputation points
    2021-11-08T02:34:38.243+00:00

    Hello,
    Welcome to Microsoft Q&A!

    Frame.Navigate( typeof(non_xaml_class_derived_from_Page)) crashes w/ Native Toolchain

    Describe the bug

    First of all we can reproduce your problem. and I found you have post issue report in WinUI github. It was added needs-triage tag. So please pay attention to the following up where in the WinUI github. And I will keep follow up this problem. If I have any updates , I will also update below.

    Thank you.

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