Releasing apps

[Ruttie2006]

I have a WinUI3 Uno project, but if I set the configuration to Release|x64, I do get an exe, but running it doesn't do anything.
Can anyone explain to me why?
Did I miss some docs somewhere?

PS: I also tried running the dll with dotnet ProjectName.Windows.dll, but I got an BadImageFormatException.

[jeromelaban]

You can find documentation about WinUI 3/WinAppSDK here. By default, Uno apps use .msix packaging, you'll need to install the resulting .msix file found when "publishing" the app.

[Ruttie2006]

When I do that and try to run it, it immediately crashes.

Looking at a (full) .dmp file, I can see an exception:

Stack says:

00000286`c08614e0 00007ffe`2e205941 combase!RoOriginateError+0x51
00000286`c08614e8 00007ffd`18a81ff2 Microsoft_ui_xaml!DirectUI::FrameworkApplication::InvokeOnLaunchActivated+0x19fdf2
00000286`c08614f0 00007ffd`188e3577 Microsoft_ui_xaml!DirectUI::FrameworkApplication::StartOnCurrentThreadImpl+0x9f
00000286`c08614f8 00007ffd`188e3636 Microsoft_ui_xaml!DirectUI::FrameworkApplicationGenerated::StartOnCurrentThread+0x26
00000286`c0861500 00007ffd`18980a4e Microsoft_ui_xaml!DirectUI::WindowsXamlManager::XamlCore::Initialize+0x7e
00000286`c0861508 00007ffd`189808fa Microsoft_ui_xaml!DirectUI::WindowsXamlManager::Initialize+0xaa
00000286`c0861510 00007ffd`18871aa3 Microsoft_ui_xaml!ctl::ComObjectBase::CreateInstanceBase+0x13
00000286`c0861518 00007ffd`18987a0f Microsoft_ui_xaml!ctl::make<DirectUI::WindowsXamlManager>+0x4f
00000286`c0861520 00007ffd`18987959 Microsoft_ui_xaml!DirectUI::WindowsXamlManagerFactory::InitializeForCurrentThreadImpl+0x21
00000286`c0861528 00007ffd`18987917 Microsoft_ui_xaml!DirectUI::WindowsXamlManagerFactory::InitializeForCurrentThread+0x27
00000286`c0861530 00007ffd`189224e6 Microsoft_ui_xaml!DirectUI::FrameworkApplication::StartDesktop+0x16a
00000286`c0861538 00007ffd`189225e3 Microsoft_ui_xaml!DirectUI::FrameworkApplicationFactory::Start+0x63

Looking even further, I know it crashes when it reaches

            global::Microsoft.UI.Xaml.Application.Start((p) => {
                var context = new global::Microsoft.UI.Dispatching.DispatcherQueueSynchronizationContext(global::Microsoft.UI.Dispatching.DispatcherQueue.GetForCurrentThread());
                global::System.Threading.SynchronizationContext.SetSynchronizationContext(context);
                new App();
            });

In App.g.i.cs (Progam.Main)

[Ruttie2006]

Note that, for some reason, running in via VS works fine.

[jeromelaban]

This would likely be a question to ask on the WinUI/WinAppSDK repository, but in the meantime, does a "vanilla" application from the WinAppSDK template work properly on your machine?

[Ruttie2006]

It seems like it doesn't...