54,079 questions with Developer technologies-related tags

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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)
asked Apr 17, 2025, 10:33 AM
Jay 140 Reputation points
commented Jul 8, 2025, 4:23 AM
Harry Vo (WICLOUD CORPORATION) 240 Reputation points Microsoft External Staff
0 answers

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)
asked Jun 10, 2025, 4:15 PM
Vinod Sahu 0 Reputation points
commented Jul 8, 2025, 4:21 AM
Harry Vo (WICLOUD CORPORATION) 240 Reputation points Microsoft External Staff
1 answer

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)
asked Apr 2, 2025, 1:35 PM
Gonzalez, Javier 40 Reputation points
answered Jul 8, 2025, 4:04 AM
Harry Vo (WICLOUD CORPORATION) 240 Reputation points Microsoft External Staff
1 answer

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)
asked Apr 4, 2025, 3:02 PM
Herbert Stejdir 0 Reputation points
answered Jul 8, 2025, 3:34 AM
Harry Vo (WICLOUD CORPORATION) 240 Reputation points Microsoft External Staff
0 answers

DEBUG Mode doesn't work in D3D11CreateDeviceAndSwapChain

i use (windows-rs)[https://github.com/microsoft/windows-rs] to develop an app using DirectAPI, but i found that it can not get debug information, eventhough i enable D3D11_CREATE_DEVICE_DEBUG in when using D3D11CreateDeviceAndSwapChain, I don't see the…

Developer technologies | Windows Presentation Foundation
asked Jul 8, 2025, 3:23 AM
tyty Exs 0 Reputation points
0 answers

How do I recover from .net maui error NU1105 ... The property PackageVersion was expected to have a single value across all target frameworks, but instead...

This happened after I upgraded Microsoft.Maui.Controls from 9.0.70 to 9.0.81 using the NuGet Package Manager. Full error message: NU1105 Unable to read project information for '<MyProject>': The property PackageVersion was expected to have a single…

Developer technologies | .NET | .NET MAUI
asked Jul 8, 2025, 3:13 AM
Kurt K 176 Reputation points
0 answers

Default certificate could not be created -- ClickOnce is NOT Checked

This question has been asked before in StackOverflow and other places yet there has not been a successful resolution to the issue posted that I can find, nor one that Copilot can locate. People have asked, been told to do the usual things, replied that…

Developer technologies | Visual Studio | Other
asked Jul 8, 2025, 2:27 AM
notsooldhippie 0 Reputation points
1 answer One of the answers was accepted by the question author.

Looking for a reliable POS tagger library for .NET

Developing a .NET application that requires POS (Part-of-Speech) tagging for English text. In Python, libraries like spaCy and NLTK are popular for this purpose. Are there any recommended libraries for POS tagging within the .NET ecosystem? Found…

Developer technologies | .NET | Other
asked Jul 3, 2025, 10:29 PM
亀谷 展(Kameya Hiroshi) 11 Reputation points
accepted Jul 8, 2025, 1:25 AM
亀谷 展(Kameya Hiroshi) 11 Reputation points
1 answer

how to use this in .net android?

create a view and draw it in onDraw or give background to imageView?

Developer technologies | .NET | .NET MAUI
asked Jul 7, 2025, 9:07 AM
mc 5,511 Reputation points
edited an answer Jul 7, 2025, 9:28 PM
Bruce (SqlWork.com) 78,006 Reputation points Volunteer Moderator
1 answer

how to name a method starting async but not returning awaitable type

this is a line from msdn which i could not understand as there  was no examle pls give one example https://learn.microsoft.com/en-us/dotnet/csharp/asynchronous-programming/task-asynchronous-programming-model#BKMK_ReturnTypesandParameters Methods that…

Developer technologies | ASP.NET | ASP.NET Core
asked Jul 7, 2025, 10:13 AM
rajesh yadav 211 Reputation points
edited an answer Jul 7, 2025, 9:26 PM
SurferOnWww 4,721 Reputation points
2 answers One of the answers was accepted by the question author.

Package Source v2 feed error

I have try to download a package on package manager with https://nuget.org as the source but it output a error as feed back. How can I fix that error? Severity Code Description Project File Line Suppression State Error [Package source] The V2 feed…

Developer technologies | .NET | Other
asked Jan 27, 2022, 7:02 AM
Wilson Au-Yeung 21 Reputation points
answered Jul 7, 2025, 7:03 PM
Sony Nguyen 0 Reputation points
0 answers

How to fix my high jump app I’m missing all kinds of doors and I can’t add trip numbers to doors I don’t have access too

I don’t have access to my doors is transfers I’m missing 322 323 502 503 505 506 and 507

Developer technologies | Visual Basic for Applications
asked Jul 7, 2025, 5:30 PM
Large, Troy 0 Reputation points
3 answers

Visual Studio Subscription shows that's disabled and I do not have admin privileges in my own subscription. I am also not able to renew the subscription even the

Visual Studio Subscription shows that's disabled and I do not have admin privileges in my own subscription. I am also not able to renew the subscription even though I have the 50$ monthly credit . I cannot see any billing data and my admin privileges…

Developer technologies | Visual Studio | Other
asked Sep 11, 2023, 3:11 PM
Shourya Addepalli 1 Reputation point
answered Jul 7, 2025, 5:13 PM
Guanes, Carlos 0 Reputation points
1 answer

On macOS: How to install .pkg created with dotnet publish ?

dotnet --version 9.0.301 My MAUI app. is upgraded to .NET 9. I just created a .pkg with the command: dotnet publish ChronoWiz/ChronoWiz.csproj -f net9.0-maccatalyst -c Release -p:MtouchLink=SdkOnly -p:CreatePackage=true -p:UseHardenedRuntime=true -o…

Developer technologies | .NET | .NET MAUI
asked Jul 7, 2025, 9:58 AM
Eigil Krogh Sorensen 76 Reputation points
edited an answer Jul 7, 2025, 3:52 PM
Bruce (SqlWork.com) 78,006 Reputation points Volunteer Moderator
1 answer

When using OpenXML do I need to create a new abstract numbering for each numbered list if i want it to restart

Using c# openxml, when i create multiple numbering instance referring to the same abstract num (ordered list), each list continues its numbering upwards throughout the document. If i want numbering to restart do i need to create a new abstract or is…

Developer technologies | C#
asked Jul 3, 2025, 4:08 PM
Jake Good 0 Reputation points
commented Jul 7, 2025, 3:38 PM
Jake Good 0 Reputation points
1 answer

Has anyone successfully targeted Android API Level 35 in a .NET MAUI app?

I recently got a critical warning from Google Play Console: "2 of your apps are targeting an old version of Android. Google Play requires all apps to meet target API level requirements before August 31, 2025." I'm currently targeting:…

Developer technologies | .NET | .NET MAUI
asked Jul 7, 2025, 11:11 AM
Aayush Rawat 0 Reputation points
answered Jul 7, 2025, 3:28 PM
Bruce (SqlWork.com) 78,006 Reputation points Volunteer Moderator
0 answers

Power off Xbox Series controller with C# via Bluetooth

I am writing a small C# winforms tray app targeting 4.7.2 that will allow me to power down the controller on game exit. I've been trying to do this for some time now but still can't manage to achieve the controller disconnection. Is there a way to…

Developer technologies | C#
asked Jul 7, 2025, 2:00 PM
magrega 51 Reputation points
edited a comment Jul 7, 2025, 2:05 PM
magrega 51 Reputation points
0 answers

Question For Printing in avalonia ui for multiple size directly and Sintly

Hello Developer. i want to ask how i can print invoice or pdf ... from my avalonia ui app (some as WPF) directly withtout any dialog show from code sintly. i see multiple option some as questpdf but it not have any api for printing it be generate a pdf

Developer technologies | Windows Presentation Foundation
asked Jul 7, 2025, 12:16 PM
Ali Fahs 0 Reputation points
4 answers

how to handle if async process returns before await.

ifGetStringAsync (and therefore getStringTask) completes before GetUrlContentLengthAsync awaits it, control remains in GetUrlContentLengthAsync. The expense of suspending and then returning to GetUrlContentLengthAsync would be wasted if the called…

Developer technologies | ASP.NET | ASP.NET Core
asked Jul 5, 2025, 9:36 AM
rajesh yadav 211 Reputation points
edited a comment Jul 7, 2025, 11:27 AM
SurferOnWww 4,721 Reputation points
1 answer

Binding null, but is working

In have my viewModel using System.Collections.ObjectModel; namespace FireChat.ViewModels; public partial class AppShellViewModel : BaseViewModel { readonly FirebaseAuthClient _authClient; readonly WeakReferenceMessenger _messenger; …

Developer technologies | .NET | .NET MAUI
asked May 9, 2025, 11:45 PM
Eduardo Gomez 3,671 Reputation points
answered Jul 7, 2025, 10:41 AM
Tony Dinh (WICLOUD CORPORATION) 160 Reputation points Microsoft External Staff