2,774 questions with Universal Windows Platform (UWP) tags

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Universal Windows Platform (UWP)
Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
10,196 questions
asked 2024-03-19T08:44:48.59+00:00
Saft Djxh 0 Reputation points
answered 2024-03-19T08:45:38.9833333+00:00
Saft Djxh 0 Reputation points
0 answers

Bluetooth LE - Prevent Windows from automatically discovering & reading from all characteristics after PairAsync

This method to pair and exchange bond keys results in the Windows BLE stack automatically enumerating and reading a bunch of characteristic values. We want to prevent this behavior and only have the application read from characteristics we ask it to or…

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
10,361 questions
Universal Windows Platform (UWP)
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
7,826 questions
asked 2024-03-18T20:13:28.65+00:00
EricP-8687 20 Reputation points
commented 2024-03-19T06:49:37.2933333+00:00
Junjie Zhu - MSFT 13,731 Reputation points Microsoft Vendor
2 answers

On my visual studio community 2022 I have this error on my uwp app on Design on MainPage.xaml

On my visual studio community 2022 I have this error on my uwp app on Design on MainPage.xaml System.Exception The app didn't start. (Exception from HRESULT: 0x8027025B) at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at…

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
10,361 questions
Universal Windows Platform (UWP)
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
4,483 questions
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
7,826 questions
asked 2023-11-21T12:21:49.9766667+00:00
Luke Ferguson 41 Reputation points
answered 2024-03-18T09:27:59.69+00:00
C CB 0 Reputation points
0 answers

Windows.Devices.Bluetooth.dll crash when exit app.

I use BluetoothLEAdvertisementWatcher.Received() to register scan callback and start scan LE, after scanning, I free the callback and stop scan. It works well, but when exit app, below crash will happend, it seems an inner crash in…

Universal Windows Platform (UWP)
asked 2024-03-07T02:17:51.4833333+00:00
frank zhang 121 Reputation points
commented 2024-03-18T03:01:40.9633333+00:00
frank zhang 121 Reputation points
1 answer

Trying to open a device using HidDevice FromIdAsync in UWP always returns null unless using FileAccessMode.Read

I can confirm that my HID device can have read and write capabilities, because this has been verified in WPF application, where one Endpoint can read and the other can read and write. I thought it might be a permissions issue, but I defined almost every…

Universal Windows Platform (UWP)
asked 2023-02-14T08:32:23.8933333+00:00
Victor Chen 106 Reputation points
answered 2024-03-16T07:30:46.16+00:00
Victor Chen 106 Reputation points
1 answer One of the answers was accepted by the question author.

Add ellipsis in placeholder UWP

Hi everyone. I have a textbox with a placeholder and a button inside. I'd like to add an ellipsis at the end of the placeholder text but before the button. If the placeholder text is longer than the area available, the ellipsis must be added. The image…

Universal Windows Platform (UWP)
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.
10,053 questions
asked 2024-03-14T21:17:24.3+00:00
Anderson Rodrigues Cavalcante 251 Reputation points
commented 2024-03-15T19:30:48.6533333+00:00
Anderson Rodrigues Cavalcante 251 Reputation points
2 answers

mru.CheckAccess() confirms acces to not existing file

Hello, I have an ListView where I show recently used files. Now wehen user clicks on any item i read selected file. I use such code. private async void lvRecentlyUsedFiles_ItemClick(object sender, ItemClickEventArgs e) { if…

Universal Windows Platform (UWP)
asked 2024-03-08T16:27:02.44+00:00
BitSmithy 1,691 Reputation points
edited an answer 2024-03-15T07:43:44.44+00:00
Junjie Zhu - MSFT 13,731 Reputation points Microsoft Vendor
1 answer

UWP App thumbnail preview custom title

I have an UWP app and i have option to open different pages in separate window and i want to each window with different title and i achieve it using "ApplicationView.GetForCurrentView()". But for the thumbnail preview it shows the display name…

Universal Windows Platform (UWP)
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.
10,053 questions
asked 2024-03-13T07:26:14.83+00:00
shriram 40 Reputation points
commented 2024-03-14T08:27:45.72+00:00
Junjie Zhu - MSFT 13,731 Reputation points Microsoft Vendor
0 answers

ESim class usage and instantiation

Hello. I need to instantiate the ESim class to be able to use it for the purpose of profile handling. I am trying to run the UWP application from Visual Studio 2022 and to instantiate ESimWatcher using ESimManager.TryCreateESimWatcher() method. This…

Universal Windows Platform (UWP)
asked 2023-10-31T15:31:07.2833333+00:00
Verica Radulovic 0 Reputation points
commented 2024-03-12T06:17:54.7466667+00:00
Yaguang Ruan 20 Reputation points
1 answer

How to resize HoloLens 2D application window size via code

I want to customize windows size of my 2D HoloLens UWP application. I have tried below code in my .NET application. This doesn't work in HoloLens, but it works in Windows PC. ApplicationView.PreferredLaunchViewSize = new Windows.Foundation.Size(950,…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,243 questions
Universal Windows Platform (UWP)
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.
10,053 questions
HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
377 questions
asked 2024-03-04T11:45:28.4366667+00:00
Sadev Kalubowila 10 Reputation points
commented 2024-03-12T05:49:34.33+00:00
Sadev Kalubowila 10 Reputation points
1 answer One of the answers was accepted by the question author.

Bluetooth LE - Programmatically determine if a peripheral has lost its side of the bond keys

A common scenario in Bluetooth LE is for one side of a bonded pair of devices to lose their side of previously exchanged bond keys. The Bluetooth LE spec states that the peripheral shall send a LL_REJECT_EXT_IND with error code 6, "PIN or Key…

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
10,361 questions
Universal Windows Platform (UWP)
Windows API - Win32
Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,379 questions
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
7,826 questions
asked 2024-03-06T21:13:47.2233333+00:00
EricP-8687 20 Reputation points
edited a comment 2024-03-11T22:06:41.6566667+00:00
EricP-8687 20 Reputation points
1 answer One of the answers was accepted by the question author.

How to use TextBlock focus to allow Screen reader / Narrator application reads the content

We are using custom TextBlock control in our app to display the descriptions to our users. Using Keyboard 'tab', the focus is not received, and the screen reader / Narrator application does not read the content. Are there any solutions to address this…

Universal Windows Platform (UWP)
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.
10,053 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.
750 questions
asked 2024-03-06T13:16:03.9066667+00:00
Arunachalam, Senthil (External) 20 Reputation points
accepted 2024-03-11T09:31:06.3466667+00:00
Arunachalam, Senthil (External) 20 Reputation points
0 answers

Closed captions of MediaPlayerElement causes video lags on some displays

Basic information We do use MediaPlayerElement within UWP platform to play the videos. However, on some display devices, using closed captions (subtitles) leads to video lagging. Specifically, I was able to confirm that issue occurs on: Epson…

Universal Windows Platform (UWP)
asked 2023-09-06T00:42:24.53+00:00
Jan 6 Reputation points
commented 2024-03-11T03:55:58.5033333+00:00
Tamotsu Takahashi 0 Reputation points
1 answer One of the answers was accepted by the question author.

Changing ListViewItemTemplate on user click

Hello, I have a ListView with item template selector. Now user clicks on any item, DataTemplate of clicked item should change, without reading items source again. How to improve my code to meet such task. <Page ... > <Page.Resources> …

Universal Windows Platform (UWP)
asked 2024-03-07T12:56:35.4366667+00:00
BitSmithy 1,691 Reputation points
commented 2024-03-08T09:49:10.5733333+00:00
Junjie Zhu - MSFT 13,731 Reputation points Microsoft Vendor
2 answers

Microsoft store UWP App

Hello UWP experts, How can we identify from the UWP code that the user has installed from the Microsoft store or from the sideload packages or dev build process from VS? Thanks

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
10,361 questions
Universal Windows Platform (UWP)
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
7,826 questions
asked 2024-03-04T13:40:27.6733333+00:00
DotNET Fan 191 Reputation points
commented 2024-03-08T08:49:16.6066667+00:00
Junjie Zhu - MSFT 13,731 Reputation points Microsoft Vendor
1 answer

Trouble Using Latest Universal Windows Application Runtime

I rebuilding an older C++ application with Visual Studio Community Edition. I haven't worked on in a few years. I'm using the latest version of Visual Studio which I installed today. I'm running Windows 10. I ran Windows Update and it told me I was up to…

Universal Windows Platform (UWP)
asked 2022-12-17T22:55:29.617+00:00
Craig Podczerwinski 26 Reputation points
answered 2024-03-08T08:14:27.4866667+00:00
AK KOWSALYADEVI 0 Reputation points
1 answer One of the answers was accepted by the question author.

Narrator can't read Textblock in UWP app

I have a popup that contains some control. Now I want the narrator to read "Save Settings(1/6) please name your favorite setting". Because these are TextBlock, can't focus, so the narrator doesn't work. What can I do?

Universal Windows Platform (UWP)
asked 2022-12-13T03:08:13.337+00:00
华 张 136 Reputation points
edited an answer 2024-03-07T02:18:33.1766667+00:00
Roy Li - MSFT 31,521 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

Binding columns and rows width in ListView

Hello, I am trying to bind ListView items columns heights to ListView Header columns heights. I typed such XAML, but it doesnt work. Is there any way to do my task? I prefer x:Bind but Binding is acceptable too. <ListView x:Name="lvLinks"…

Universal Windows Platform (UWP)
asked 2024-03-05T12:58:56.26+00:00
BitSmithy 1,691 Reputation points
accepted 2024-03-06T10:58:10.9733333+00:00
BitSmithy 1,691 Reputation points
0 answers

Keyboard navigation between Panels

I have such XAML: <StackPanel TabFocusNavigation="Cycle" XYFocusKeyboardNavigation="Enabled" > <StackPanel> <TextBox x:Name="H" …

Universal Windows Platform (UWP)
asked 2024-02-26T11:37:16.1866667+00:00
BitSmithy 1,691 Reputation points
commented 2024-03-06T10:06:23.6866667+00:00
Junjie Zhu - MSFT 13,731 Reputation points Microsoft Vendor
0 answers

UWP VPN Plugin Issue: RasDialA Error (ERROR_PORT_NOT_AVAILABLE)

Overview: We have developed a UWP VPN Plugin, based on the samples We connect to the VPN from a Win32 application using the RasDialA/RasHangUpA APIs (not using the VpnManagementAgent WinRT API because it isn't fully functional from non-packaged…

Universal Windows Platform (UWP)
asked 2024-02-06T12:16:11.6466667+00:00
Yiftach Karkason 0 Reputation points
edited a comment 2024-03-04T20:04:16.9333333+00:00
Peter Smith 581 Reputation points Microsoft Employee