3,035 questions with Developer technologies | Universal Windows Platform (UWP) tags
Can we prevent Narrator from speaking UI control's name?
Hello, I'm working on WinUI2 app with XAML island in purely C++ (no XAML code). I want to support Narrator screen reader for my app. I tried to set accessibility props (name and helpertext) for UI controls. While this props are being read by Narrator, it…
Developer technologies | Universal Windows Platform (UWP)
Positioning UWP ContentDialog on top of AppWindow.
In UWP app , I have a AppWindow which is opened from the main window with the below code. var appWindow = await AppWindow.TryCreateAsync(); var frame = new…
Developer technologies | Universal Windows Platform (UWP)
Your Teams app is an absolute disaster. It’s beyond frustrating — I don’t receive photos or messages on my computer, and they randomly show up on my phone, if I’m lucky. This is not a one-time glitch, this is a consistent, widespread failure. Everyone I k
Your Teams app is an absolute disaster. It’s beyond frustrating — I don’t receive photos or messages on my computer, and they randomly show up on my phone, if I’m lucky. This is not a one-time glitch, this is a consistent, widespread failure. Everyone I…
Developer technologies | Universal Windows Platform (UWP)
How to set status of control from OnLaunched in C++/WinRT app?
In Visual Studio I compiled the blank C++/WinRT UWP app which displays a button that says "Click me" and "Clicked" after it is clicked. As an experiment to learn how to initialize a control according to user settings, I copied the…
Developer technologies | Universal Windows Platform (UWP)
How to connect GATT profile for classic bluetooth device?
I have bluetooth device that uses gatt profile, but it doesn't support ble connection i can succesfully connect to gatt profile on classic only device with android/ios/linux client. How can i use gatt services in classic bluetooth device on windows pc?
Developer technologies | Universal Windows Platform (UWP)
UWP - https certification valiation issue
I am trying to call an https api on a payment device, it returns a certificate signed by intermediate CA and that signed by root CA. I have installed root CA in trusted store of windows, added capability in WPF manifest. It returns error - Partial chain…
Developer technologies | Universal Windows Platform (UWP)
Unable to publish with fulltrustprocess and Multiple instances of UWP app
UWP experts , There are three components here. Main UWP app with multiple instances supported through package manifest - C# UWP FullTrustprocess that acts as the appserviceconnection server - C# .NET 8 WAPP Package that bundles UWP app and…
Developer technologies | Universal Windows Platform (UWP)
Developer technologies | C#

UWP BLE not working for authenticated attributes
I can't write to the CCCD on a BLE device that has the authentication flag enabled on the CCCD
Developer technologies | Universal Windows Platform (UWP)
ListView events arent always triggered.
Hello, I am not sure if I selected right tag for my topic, but there is not present UWP tag naw. I have problem with ListView. If my ListView has many rows (about 150+), some events are sometime not triggered (but sometime they are triggered as well). If…
Developer technologies | Universal Windows Platform (UWP)
How to implement text as HyperLink in Toast windows using xml?
I am trying to implement the Hyperlink in windows toast which accepts xml as a string as per the documents i couldn't find a way to implement hyperlink in text Example: I need to display a text in toast as: To get more details. click here …
Developer technologies | Universal Windows Platform (UWP)

System.Runtime.WindowsRuntime Exception
Exception thrown: 'System.IO.FileLoadException' in BasicCoreApp.exe An exception of type 'System.IO.FileLoadException' occurred in BasicCoreApp.exe but was not handled in user code Could not load file or assembly 'System.Runtime.WindowsRuntime,…
Developer technologies | Universal Windows Platform (UWP)

How to customize a caret of TextBox in UWP?
I want to make customized TextBox and I don't know how to customize the caret in UWP. I thought of these ways to make it: Change the style of the original caret directly Use a rectangle and let it blink, but how to hide the original caret or how to…
Developer technologies | Universal Windows Platform (UWP)
What is the name of the taskbar executable(s)?
I'm building a UWP app in which a user can remotely close apps on a device with a receiving agent. The agent only allows apps that it receives by executable name from the UWP app. I'm trying to allow the taskbar to not be closed, by adding apps like…
Developer technologies | Universal Windows Platform (UWP)

GridView - no frame at item selection on Windows 11
I am using GridView control in my UWP app. The grid shows games cover arts gallery. On Windows 10 i see the grid item gets a frame at item selection, but on Windows 11 no frame appears. How to make it working the same way like on Windows 10?
Developer technologies | Universal Windows Platform (UWP)
Help Needed for Connecting POS Printer via USB in UWP App
Hi Team, I have implemented POS printer functionality in my UWP app. When I connect the POS printer using Bluetooth, it works perfectly. However, when I connect the printer via a USB cable, I’m unable to find a way to detect or connect to the printer…
Developer technologies | Universal Windows Platform (UWP)
GetFolderAsync applied to the FutureAccessList delivers error message 2148734499
StorageItemAccessList _lAccess = StorageApplicationPermissions.FutureAccessList; ApplicationDataContainer _localSettings = ApplicationData.Current.LocalSettings; StorageFolder _Public; // _Public captured by the…
Developer technologies | Universal Windows Platform (UWP)
customer's add-on UI not showing on their screen
We have a user that is having problem with the add-on UI on their installation. Many many other users this works just fine. For some reason, the purchase dialog does not appear when prompted. He is getting this with our application and another…
Developer technologies | Universal Windows Platform (UWP)
what is the best option in configuration manager (x86, x64 or ARM) for build an UWP app that runs in Microsoft SQ3 processor?
Hello I'm working with UWP app that have to run in a tablet based on Windows 11 and it is using an SQ3 processor. I'm running this line for hide a button in the UI: Mybutton.Visibility = visibillity.Collapsed; Testing in PC windows 10, the code line…
Developer technologies | Universal Windows Platform (UWP)
Support Needed: Error 0x800B0100 - App Package Must Be Digitally Signed
Hi all, I'm currently facing an issue while creating a UWP package in Unity, and I keep encountering the error 0x800B0100. The error message states, "The app package must be digitally signed for signature validation." Here are the details of…
Developer technologies | Universal Windows Platform (UWP)
Impact of Bing Maps for Enterprise retirement to UWP
We received an email about the retirement of Bing Maps for Enterprise, which will affect all applications using Bing Maps. Does retirement also affect UWP apps that include map feature? Any migration procedures can be followed? Thanks.
Developer technologies | Universal Windows Platform (UWP)
Azure Maps
Windows for home | Windows 11 | Apps
