877 questions with Windows App SDK-related tags

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1 answer One of the answers was accepted by the question author.

voice assistant features on Windows only enabled for UWP applications

Hi MSFT team, I want to query, whether "WinUI3 app" can access voice assistant features. As I know UWP will be deprecated, and instead, MSFT is perfer WinAppSDK Apps (Likes: WinUI3…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2023-09-08T01:35:31.6833333+00:00
Damon Pan 86 Reputation points
accepted 2025-05-09T01:24:22.5666667+00:00
Damon Pan 86 Reputation points
2 answers One of the answers was accepted by the question author.

How to consume a winrt/c++ lib in WinUI3 Application

Hi MSFT team, I am trying to consuming a winrt/C++ library (xxx.dll, xxx.winmd) in my application created by VS2022. If I create UWP/C# application, it's easy to add the reference by: "right click project" -> Add -> reference ->…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,446 questions
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
11,486 questions
asked 2023-08-17T06:23:05.85+00:00
Damon Pan 86 Reputation points
accepted 2025-05-09T01:24:08.2466667+00:00
Damon Pan 86 Reputation points
1 answer

NavigationView pane isnt recognizing boolean

I am using storage to save and retrieve the status of the pane in the navigationView <NavigationView x:Name="NavView" Margin="0,50,0,0" IsBackButtonVisible="Collapsed" …

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-05-03T05:40:46.94+00:00
Eduardo Gomez 3,631 Reputation points
edited a comment 2025-05-08T11:39:27.0866667+00:00
Eduardo Gomez 3,631 Reputation points
1 answer

.Riv animation for Winui (Windows App Sdk)

Hi, I'm working on a Windows desktop application using WinUI 3 (Windows App SDK) and I want to integrate Rive (.riv) animations into the UI. Rive is an animation tool that exports .riv files and supports runtimes for platforms like Flutter, React Native,…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-05-08T07:16:11.6333333+00:00
Amjath Khan 0 Reputation points
answered 2025-05-08T07:52:48.8333333+00:00
Michael Hawker 0 Reputation points Microsoft Employee
0 answers

Graph api token

I am saving the token in my DI container public static ServiceProvider? Services { get; private set; } public App() { InitializeComponent(); var services = new ServiceCollection(); // Register Persistent Authentication with Token…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-05-03T17:54:14.9133333+00:00
Eduardo Gomez 3,631 Reputation points
edited the question 2025-05-08T07:03:31.6066667+00:00
Eduardo Gomez 3,631 Reputation points
1 answer

MSIX product name issue

Hello, Please advise when creating Msix packages, how can I set different product names to be shown in the: Start Menu > Applications < My Product > vs Settings > Apps < My Product Pro > Generally, in which fields these 2 names are…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-05-06T14:59:07.2733333+00:00
StewartBW 1,480 Reputation points
commented 2025-05-07T20:51:07.82+00:00
Darran Rowe 1,711 Reputation points
0 answers

NavigatioView canont find page contructor

I am using DI services.AddTransient<CalendarPageViewModel>(); services.AddTransient<AccountPageViewModel>(); services.AddTransient<AboutPageViewModel>(); services.AddSingleton(sp => new InteractiveBrowserCredential( new…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-29T13:46:13.3033333+00:00
Eduardo Gomez 3,631 Reputation points
1 answer One of the answers was accepted by the question author.

Navigation page doesn't highlight the selected page

I am using a NavigatinonView <winex:WindowEx x:Class="HorizonHub.View.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" …

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-27T17:47:17.47+00:00
Eduardo Gomez 3,631 Reputation points
accepted 2025-04-29T13:29:54.5833333+00:00
Eduardo Gomez 3,631 Reputation points
0 answers

I keep getting - SignTool Error: An unexpected internal error has occurred. Error information: "Error: SignerSign() failed." (-2147024846/0x80070032)"

I am on Windows 11, and I have set everything up on Azure for Trusted app signing. I tried to sign the application using: "C:\Program Files (x86)\Windows Kits\10\bin\10.0.22621.0\x64\signtool.exe" sign /v /debug /fd SHA256 /tr…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-29T09:41:22.0766667+00:00
Sasanka Nugawela 0 Reputation points
0 answers

How to get logs in a V4 printer driver under windows 10

Dear Developers, I need to implement a virtual printer driver under Windows 10 by using V4 printer driver sample. I can easily compile and install the driver in Windows 10 but I have to enable testing mode on. But the problem is that I could not get…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-26T05:42:38.52+00:00
Mahdi Monhi 0 Reputation points
0 answers

Support sideload MSIX auto-update via AppInstaller in Low Integrity apps

We are currently using a WinUI 3 application packaged and deployed as an MSIX Bundle (.msixbundle) via sideloading, using an AppInstaller file. This approach is working fine in standard integrity levels, and updates are being handled via the AppInstaller…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-24T08:55:46.9733333+00:00
Anand Kashyap 0 Reputation points
0 answers

remember my choice

I have my vm, that send a message to the window namespace HorizonHub.ViewModel { public partial class MainWindowViewModel : ObservableObject { private readonly ApplicationDataContainer _localSettings =…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-23T13:32:55.5966667+00:00
Eduardo Gomez 3,631 Reputation points
0 answers

need help navigating

I have <Grid x:Name="rootGrid"> <NavigationView PaneDisplayMode="Left"> <Interactivity:EventTriggerBehavior EventName="ItemInvoked"> …

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-22T15:43:27.52+00:00
Eduardo Gomez 3,631 Reputation points
commented 2025-04-23T07:33:57.7733333+00:00
Castorix31 89,061 Reputation points
0 answers

Winui3 register task After installing the appx just like uwp

Hello All, is there a way to register the background task in winui3 after installing the bundle. Or is it mandatory to open the UI for registering the background task. I want to implement appservice and background task to run after installation done. Any…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-22T09:16:58.96+00:00
Vishy 0 Reputation points
2 answers One of the answers was accepted by the question author.

how can we highlight navigation view item when selected with button in winui3

when navigation view item is selected it should higlight with customised color

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2022-05-11T04:38:42.493+00:00
shreshta valluru 86 Reputation points
commented 2025-04-16T20:39:39.6+00:00
Dominick Fetters 0 Reputation points
0 answers

Can we create new installer and package that using MSIX for my windows desktop application?

We have windows desktop application developed many years ago and it is created using wix installer and packaged as exe. Can we remove wix installer and use MSIX to create installer and deploy to production as downloadable version? The application has…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-14T16:05:19.8133333+00:00
Rajasekaran, Rajesh 0 Reputation points
edited the question 2025-04-16T16:37:37.8333333+00:00
Rajasekaran, Rajesh 0 Reputation points
0 answers

I have developed a sample MAUI App using .Net 9. But it aborted at run time without showing any result.

Hi Guys, I have developed a sample MAUI App using .Net 9. But it aborted at run time without showing any result. It built the Windows Machine version without any error. When checked the output window, it shows this message. The target process exited…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-16T10:11:23.2133333+00:00
LASANTHA KATHRIARACHCHI 0 Reputation points
0 answers

com ports confusion

I am making an app that connects to a 3d printer In my vm I get the ports public void GetComPorts() { ComPorts.Clear(); try { using var searcher = new ManagementObjectSearcher("SELECT * FROM Win32_PnPEntity WHERE Name LIKE…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-15T16:24:48.06+00:00
Eduardo Gomez 3,631 Reputation points
edited the question 2025-04-15T17:15:04.28+00:00
Eduardo Gomez 3,631 Reputation points
1 answer One of the answers was accepted by the question author.

getting the full names of my com port makes my app crash

I made my app, that connects to COM ports to send data is working perfectly I use this public void GetComPorts() { ComPorts.Clear(); foreach(var port in SerialPort.GetPortNames()) { ComPorts.Add(port); } } but if I want to get…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-14T10:09:04.7133333+00:00
Eduardo Gomez 3,631 Reputation points
accepted 2025-04-15T16:12:30.57+00:00
Eduardo Gomez 3,631 Reputation points
1 answer

Is it possible to change the WinUI3 msix display name after its installed..

I have requirement. Based on criteria, I want to change the display name in the start menu and all places like notifications of my WinUI3 msix after its installed. I went to through macro link below…

Windows App SDK
Windows App SDK
A set of Microsoft open-source libraries, frameworks, components, and tools to be used in apps to access Windows platform functionality on many versions of Windows. Previously known as Project Reunion.
877 questions
asked 2025-04-11T09:40:53.8266667+00:00
Vishy 0 Reputation points
commented 2025-04-15T04:47:48.4433333+00:00
Vishy 0 Reputation points