Universal Windows Platform (UWP)
A Microsoft platform for building and publishing apps for Windows desktop devices.
2,879 questions
0 answers
In UWP or WinUI3, how to use AutoSuggestBox as the search box and highlight the matching keywords in red in the search result list
AutoSuggestBox is a good control in WinUI3. I use it as a search box and display search results. But how to achieve more advanced functions, such as highlighting keywords in the results ( ex, one of the result is 'powered by Microsoft', and only…
Universal Windows Platform (UWP)
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.
741 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.
10,535 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 40%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECC%3C/text%3E%3C/svg%3E)
0 answers
How to correctly initialize MediaCaptureInitializationSettings for an IP Camera?
Hello, I'm currently attempting to use Windows::Media::Capture APIs in C++/CX to record MP4 streams from an IP Camera. Here is a code snippet I have written: MediaCaptureInitializationSettings^ settings = ref new…
asked 2024-06-24T14:57:19.4033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(41.6, 44%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKC%3C/text%3E%3C/svg%3E)
Kallenberger Christa (ETAS/EAS-AS)
0
Reputation points
commented 2024-06-25T05:24:44.8566667+00:00
Jeanine Zhang-MSFT
9,351
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
Not able to create new object of DesktopWindowXamlSource after closing one
Hi, I'm working on Win32 application with Xaml Island. I'm facing the issue with DesktopWindowXamlSource. If I create two objects of DesktopWindowXamlSource, it's working as expected. However, If I create one object and close it using Close() method.…
asked 2024-06-18T05:49:24.7766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(118.4, 70%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESB%3C/text%3E%3C/svg%3E)
Shyam Butani
160
Reputation points
accepted 2024-06-19T10:05:39.8833333+00:00
Shyam Butani
160
Reputation points
0 answers
Setup app for website without using msix installer (e.g. using .exe installer)
Our application supports apps for websites using app URI handlers. However some older computers or domain computers with certain policies cannot install apps packaged in msix installer. Is there a way to register your app to handle links…
asked 2024-06-19T08:18:31.33+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(201.6, 43%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
alberto
0
Reputation points
commented 2024-06-19T09:19:29.1833333+00:00
Junjie Zhu - MSFT
16,151
Reputation points Microsoft Vendor
1 answer
When will we use xaml designer view in WinUI 3.0?
Hello, I just updated my VS 2022 to 17.0.2 and created a WinUI 3.0 based project to test XAML designer view in it. I tried open XAML designer view in the project but failed because there's no XAML designer view in it. When will we use…
asked 2021-12-04T11:26:52.323+00:00
c00012
716
Reputation points
commented 2024-06-13T11:48:38.05+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(188.79999999999998, 36%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Андрей Брюхненко
0
Reputation points
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.
741 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.
10,535 questions
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…
asked 2023-11-10T14:50:42.9966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 37%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMH%3C/text%3E%3C/svg%3E)
Mahdi Hosseini
135
Reputation points
answered 2024-06-06T14:28:38.25+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 31%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
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.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 85%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EY%3C/text%3E%3C/svg%3E)
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…
asked 2024-06-05T08:54:34.1433333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 64%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERP%3C/text%3E%3C/svg%3E)
Rohan Pande
375
Reputation points
commented 2024-06-06T02:04:10.2866667+00:00
Jeanine Zhang-MSFT
9,351
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.
741 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.
10,535 questions
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…
asked 2022-06-23T20:36:48.897+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(108.80000000000001, 60%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWH%3C/text%3E%3C/svg%3E)
Ward Horsfall
101
Reputation points
commented 2024-06-04T05:37:12.5133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 34%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXY%3C/text%3E%3C/svg%3E)
Xiaopo Yang - MSFT
12,066
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…
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
24,476
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…
asked 2024-05-30T12:45:25.59+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 44%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EH%3C/text%3E%3C/svg%3E)
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.
3,550 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.
741 questions
asked 2024-05-20T20:10:07.3866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 60%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQ%3C/text%3E%3C/svg%3E)
QuickSilver
0
Reputation points
edited an answer 2024-05-31T06:53:20.3733333+00:00
Jeanine Zhang-MSFT
9,351
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.
4,972 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.
741 questions
asked 2024-05-28T01:37:25.9666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(313.6, 57.00000000000001%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETZ%3C/text%3E%3C/svg%3E)
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.
741 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.
10,535 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.
779 questions
asked 2024-05-24T05:00:57.4466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(278.4, 63%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMS%3C/text%3E%3C/svg%3E)
Muthu S
20
Reputation points
commented 2024-05-24T06:24:29.9+00:00
Xiaopo Yang - MSFT
12,066
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 =…
asked 2024-05-22T06:54:06.97+00:00
Shyam Butani
160
Reputation points
commented 2024-05-24T06:18:18.99+00:00
Shyam Butani
160
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.
asked 2022-07-06T10:31:38.17+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 1%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKB%3C/text%3E%3C/svg%3E)
Khoa Bui
51
Reputation points
commented 2024-05-15T05:35:29.6166667+00:00
Xiaopo Yang - MSFT
12,066
Reputation points Microsoft Vendor
4 answers
One of the answers was accepted by the question author.
[Winui3]How to show a model window？
PrivacyWindow::PrivacyWindow() { InitializeComponent(); //...... window_handle_ = GetWindowHandle(); auto window_id = winrt::Microsoft::UI::GetWindowIdFromWindow(window_handle_); app_window_ =…
asked 2022-07-01T08:22:42.937+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(230.39999999999998, 85%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELH%3C/text%3E%3C/svg%3E)
lei han
46
Reputation points
answered 2024-05-13T07:15:02.6066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 15%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETK%3C/text%3E%3C/svg%3E)
Torsten Krause
0
Reputation points
0 answers
Smart screen security error during upload app on store
Hi Team, Could you please help me for sort this issue. I had developed app using Tauri, during submit the APP on store getting security (Smart Screen) error. While I had followed the given steps still error not resolved. Error Below: |10.2.10 Security|A…
asked 2024-04-30T09:58:35.7133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(137.6, 90%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAV%3C/text%3E%3C/svg%3E)
ankit verma
0
Reputation points
commented 2024-05-06T09:03:37.8133333+00:00
Jeanine Zhang-MSFT
9,351
Reputation points Microsoft Vendor