750 questions with Windows App SDK tags

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

How to set up WinUI3 applications to run as administrators

I'm begging to write WinUI3 application. Administrator privileges are required for certain functions. In the Win-form program, simply configure the following in the app. manifest <requestedExecutionLevel level="requestAdministrator"…

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.
750 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.
10,640 questions
asked 2024-06-07T08:35:00.8433333+00:00
C CB 150 Reputation points
commented 2024-06-13T09:34:52.6833333+00:00
C CB 150 Reputation points
2 answers One of the answers was accepted by the question author.

What is the best way for customizing TitleBar in WinUI 3?

What is the best way for customizing TitleBar in WinUI 3? I used to customize in this way: 1.using window.Extend... and window.SetTitlebar(element); 2.using window.AppWindow.Extend... now there is a new way for customizing titlebar…

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.
750 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
790 questions
asked 2023-11-10T14:50:42.9966667+00:00
Mahdi Hosseini 135 Reputation points
answered 2024-06-06T14:28:38.25+00:00
Jay Paans 0 Reputation points
1 answer One of the answers was accepted by the question author.

How can I change the border color of a NavigationView in WinUI 3?

Which property is it in the generic.xaml? I can't even find the TargetType. Lines within the red rectangles.

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.
750 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
790 questions
asked 2024-05-22T15:53:25.08+00:00
youki 1,016 Reputation points
accepted 2024-06-06T05:47:34.11+00:00
youki 1,016 Reputation points
0 answers

Why upon closing an invisible window gives an Error in WinUI3 project?

Hi, I am creating a multi-window application in C++ using WinUI3. To make the application even running if no windows are visible, I am creating an invisible window. During exiting the application, we need to close all the Windows to come out of the…

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.
750 questions
asked 2024-06-05T08:54:34.1433333+00:00
Rohan Pande 420 Reputation points
commented 2024-06-06T02:04:10.2866667+00:00
Jeanine Zhang-MSFT 9,431 Reputation points Microsoft Vendor
2 answers One of the answers was accepted by the question author.

How can I set a control/element to full screen in WinUI3

I'm using MediaPlayerElement to play video, but there is no full screen button in the MediaTransportControls(but it does exist in UWP). So I think, maybe I can set the MediaPlayerElement or it's parent element to full screen. I tried the ZIndex and…

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.
750 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.
10,640 questions
asked 2024-06-04T02:40:04.7733333+00:00
C CB 150 Reputation points
commented 2024-06-05T08:21:07.0766667+00:00
C CB 150 Reputation points
2 answers

Winui3 Button color?

Hi Hi got a question on button color - now this is coming from a WPF point of view. It looks like the default buttons are not grey like the are in WPF. First question is I am assuming it is some guideline that I am not understanding. Plus…

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.
750 questions
asked 2022-06-23T20:36:48.897+00:00
Ward Horsfall 101 Reputation points
commented 2024-06-04T05:37:12.5133333+00:00
Xiaopo Yang - MSFT 12,231 Reputation points Microsoft Vendor
2 answers

Request targets an app that is not in allowed receiving apps list by WNS

Hello, I have a problem during sending WNS raw notifications to my app on client's computers. I receive this error sometimes, but not for all my clients: 2024-05-29 19:16:06.244 +02:00 [WRN] X-WNS-Debug-Trace: BY3PEPF000195A1 2024-05-29 19:16:06.245…

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.
750 questions
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
8,980 questions
asked 2024-05-30T16:48:23.7+00:00
Michał Łeptuch 6 Reputation points
edited the question 2024-06-03T06:02:25.5966667+00:00
Jack J Jun 24,496 Reputation points Microsoft Vendor
1 answer

WinUI3 : How to close all the visible window at once

Hi, I'm working on a WinUI3 desktop application in C++. I'm building a multiwindow application. Is there a way to close all the window at once in WinUI3? One way is to maintain the List of windows ourselves, is there any other way to solve this? just…

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.
750 questions
asked 2024-05-30T12:45:25.59+00:00
Harshithraj1871 1,516 Reputation points
edited a comment 2024-05-31T08:07:11.12+00:00
Harshithraj1871 1,516 Reputation points
1 answer

How To Download .NET Runtime For MSIX Or Appx?

I Want To Use MSIX Hero On My PC And It Requires .NET Runtime 6.0 but i can run exe's for some reason i cant figure out. i am not looking into figure out how to run exes i just want to know or if there is a way do get .NET Runtime 6.0 for msix (bundle)…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,642 questions
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.
750 questions
asked 2024-05-20T20:10:07.3866667+00:00
QuickSilver 0 Reputation points
edited an answer 2024-05-31T06:53:20.3733333+00:00
Jeanine Zhang-MSFT 9,431 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

How to create a system notification with ultra long ellipses displayed

Hi I want to display all the text on the system notification, but extra long text shows ellipses. Also need to use line breaks to wrap the displayed text. The code is placed in the following link, and the commented out lines 133 and 134 are the desired…

Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
5,095 questions
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.
750 questions
asked 2024-05-28T01:37:25.9666667+00:00
Thomas Zuo 25 Reputation points
accepted 2024-05-29T07:35:49.7466667+00:00
Thomas Zuo 25 Reputation points
0 answers

Performance Discrepancy Between Templated Control and Direct Implementation

I encountered a performance issue while working on a project where I utilized two identical buttons with all properties set the same. The only difference was in the content: one button utilized a PathIcon inside a Viewbox, while the other utilized a…

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.
750 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.
10,640 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
790 questions
asked 2024-05-24T05:00:57.4466667+00:00
Muthu S 20 Reputation points
commented 2024-05-24T06:24:29.9+00:00
Xiaopo Yang - MSFT 12,231 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

How to receive WM_SETTINGCHANGE message in WinUI3 when system theme changes

Hi, I want to capture system theme change event in my WinUI3 app. I'm trying like below code snippet, but not receiving WM_SETTINGCHANGE message there. void TWWinUI3App::OnLaunched(LaunchActivatedEventArgs const&) { // ... Window window =…

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.
750 questions
asked 2024-05-22T06:54:06.97+00:00
Shyam Butani 190 Reputation points
commented 2024-05-24T06:18:18.99+00:00
Shyam Butani 190 Reputation points
4 answers

Set MTA Thread on WinUI3

Hi, In winform, we have: [MTAThread] static void Main() { Application.Run(new Main()); } How can we set [MTAThread] in winUI3? Thanks.

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.
750 questions
asked 2022-07-06T10:31:38.17+00:00
Khoa Bui 51 Reputation points
commented 2024-05-15T05:35:29.6166667+00:00
Xiaopo Yang - MSFT 12,231 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

Resizable UI Elements/containers in WinUI3

Hi, I am working on WinUI3 application, and doing everything programmatically (without XAML). When we create a window, we can click+drag the border/corner using mouse to resize it. I want similar thing for my UI elements inside window. Basically, I want…

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.
750 questions
asked 2024-05-03T08:20:06.9166667+00:00
Shyam Butani 190 Reputation points
accepted 2024-05-06T05:22:49.36+00:00
Shyam Butani 190 Reputation points
2 answers One of the answers was accepted by the question author.

How to use my downloaded fonts in WinUI 3?

In my WinUI 3 app, I try to declare and apply my downloaded fonts but it doesn't work. Note: If I manually install the font on my computer, it works well. I wonder if the font installation is a must-have step in WinUI 3? Steps that I have done Add…

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.
750 questions
asked 2023-04-03T08:02:21.6933333+00:00
Luyen Do 20 Reputation points
commented 2024-05-04T23:25:27.5366667+00:00
gmgallo 0 Reputation points
1 answer One of the answers was accepted by the question author.

How do I build a .NET WinUI 3 App without VisualStudio?

Let's say that the VisualStudio license terms don't fit my use case. Perhaps my employer defines itself as a "Java shop", and I'd like to show them the goodness of native apps. But I can't do so by producing an app they're not free to…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,642 questions
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.
750 questions
.NET CLI
.NET CLI
A cross-platform toolchain for developing, building, running, and publishing .NET applications.
328 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.
10,640 questions
asked 2023-05-31T20:50:51.39+00:00
Geronimus 20 Reputation points
commented 2024-05-03T16:55:37.2+00:00
Peter N. Moore 0 Reputation points
2 answers

Back Button click event is firing when we press "space" and "enter" key in the keyboard

Hi Team, I have a back button in my application to navigate back to the previous page. Currently when i press "Enter" or "Space" from the keyboard, The back button click event is firing.(which we are not expected) We need to back…

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.
750 questions
asked 2024-04-24T11:53:52.3266667+00:00
Sunil A M 171 Reputation points
commented 2024-05-02T01:25:18.73+00:00
Xiaopo Yang - MSFT 12,231 Reputation points Microsoft Vendor
1 answer

x:Bind default Mode is "OneTime" or sth else in Windows App SDK ?

I have written the code below: XAML code: <ListView ItemsSource="{x:Bind players}"> ***<ListView.ItemTemplate>*** ***<DataTemplate x:DataType="local:Numbers">*** ***<TextBlock…

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.
750 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.
10,640 questions
asked 2024-04-28T01:44:47.1666667+00:00
Konstantinos Pavlis 0 Reputation points
commented 2024-04-29T09:18:15.2066667+00:00
Junjie Zhu - MSFT 16,701 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

Alternatives for the application to make it as a packaged application?

Hi, I am currently building a WinUI3 C++ application using Windows App SDK. But currently the application is unpackaged mode. I am currently thinking to shift to packaged mode as it is recommended by the Microsoft currently I have tried the sample…

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.
750 questions
C++
C++
A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.
3,634 questions
asked 2024-03-13T04:17:56.3366667+00:00
Rohan Pande 420 Reputation points
commented 2024-04-26T00:06:10.75+00:00
Matthew Bonanno 1 Reputation point
1 answer

Does Media Foundation interface IAudioMeterInformation supports audioformat MFAudioFormat_Float?

Hello, I'm working on a XAudio2 project. When loading a file, I convert the input audio format to an input format XAudio2 can work with. Those are, according the docs, MFAudioFormat_Float and MFAudioFormat_PCM. Now, when using PCM, …

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.
750 questions
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
8,980 questions
asked 2024-04-09T19:52:55.07+00:00
FactoryX.code 0 Reputation points
answered 2024-04-24T03:00:20.34+00:00
Xiaopo Yang - MSFT 12,231 Reputation points Microsoft Vendor