55,275 questions with Developer technologies-related tags

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

how to get all the advertise bytes in ios?

I am using .net maui 9.0 and in ios I want to ask that how to get all the bytes in DiscoveredPeripheral 's advertise . I do not want to ios to parse the bytes for me but I want to get all of it. in android I can do this:var bytes=scanRecord.GetBytes

Developer technologies | .NET | .NET MAUI
asked 2025-12-28T02:39:37.38+00:00
mc 6,576 Reputation points
commented 2026-01-15T03:17:38.3533333+00:00
mc 6,576 Reputation points
2 answers One of the answers was accepted by the question author.

how to show the music's spectrum in .net maui?

I am using .net MAUI 9.0 and I want to get this in page: when I play music in the mobile I can get the rhythm how to do it?

Developer technologies | .NET | .NET MAUI
asked 2026-01-05T13:24:03.6933333+00:00
mc 6,576 Reputation points
accepted 2026-01-15T03:11:23.04+00:00
mc 6,576 Reputation points
0 answers

project does not know how to run the profile with the name ipad and command mobile

Get this message on debugging project with ipad. Cannot debug even an empty iOS net maui project? This has been going on with several previous versions of visual insiders 26

Developer technologies | .NET | .NET MAUI
asked 2026-01-14T18:04:44.9566667+00:00
Nick Hunter-blair 0 Reputation points
edited the question 2026-01-15T02:53:31.3466667+00:00
Michael Le (WICLOUD CORPORATION) 10,130 Reputation points Microsoft External Staff Moderator
1 answer

Issue to show the error

Hi, For the code like the project below https://1drv.ms/u/c/17ec75244bac022f/IQDe24zzJVnTS65tU-RbGuKoAaMtx1mPtvJWgmXlcYO-HdE?e=8NpGwO is not able to show the error for this file. Any…

Developer technologies | C#
Developer technologies | 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.
11,742 questions
asked 2026-01-12T03:24:30.1466667+00:00
Peter_1985 2,986 Reputation points
commented 2026-01-15T02:46:16.5366667+00:00
Peter_1985 2,986 Reputation points
1 answer One of the answers was accepted by the question author.

Error installing VS 2026 - 'Sorry, something went wrong. The install operation failed.'

I get the same error when trying to install VS 2026 or Update VS 2022. This is not a firewall type of issue as all other developers in my company/building have no issues. Any ideas?

Developer technologies | Visual Studio | Setup
asked 2026-01-13T18:33:49.4766667+00:00
Brian G 0 Reputation points
commented 2026-01-15T02:01:40.23+00:00
Michael Le (WICLOUD CORPORATION) 10,130 Reputation points Microsoft External Staff Moderator
0 answers

LINQ returns System.Data.SqlTypes.SqlNullValueException. Why?

I'm learning LINQ, and trying to fetch data from a SQL Server database. All I'm trying to do is fetch data from one datetime field that is defined as nullable, where I know the field value is set to null. Here's my statement: var query = from cm in…

Developer technologies | C#
Developer technologies | 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.
11,742 questions
asked 2026-01-14T20:25:52.73+00:00
Corey Fleig 285 Reputation points
commented 2026-01-15T00:15:52.2966667+00:00
Viorel 126K Reputation points
2 answers

Why am I getting System.Data.SqlTypes.SqlNullValueException?

I have a model (this code is greatly reduced): public class myClass { public DateTime? MyDate {get; set;} } and I have a database table with: create table myTable (somedate datetime null); insert into myTable select null; and I have a linq…

Developer technologies | C#
Developer technologies | 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.
11,742 questions
asked 2026-01-14T01:04:58.32+00:00
Corey Fleig 285 Reputation points
accepted 2026-01-15T00:06:39.59+00:00
Corey Fleig 285 Reputation points
0 answers

How to fix C++ CodeDOM parser error: Line: 141, Column: 22 --- Member Font not found in class System.Void

Where and how can I fix this error??? Please if someone can give me some answers tommorow or the day after tommorow! Thank you!

Developer technologies | C++
Developer technologies | 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.
4,039 questions
asked 2026-01-14T21:22:39.4866667+00:00
Alexandru Almasi 0 Reputation points
commented 2026-01-14T23:37:10.7233333+00:00
Viorel 126K Reputation points
1 answer

Adding a11y support in UWP JavaScript/React based app

Hi I am looking to add support for a11y/TTS in a UWP JS/React based app. I wanted to confirm whether the correct method for integrate with the screen reader would be adding aria attributes to the relevant components. If not what would be the preferred…

Developer technologies | Universal Windows Platform (UWP)
asked 2026-01-14T22:33:38.0966667+00:00
Jordan Montpetit 0 Reputation points
answered 2026-01-14T22:33:47.1+00:00
Q&A Assist
1 answer

StoreContext.GetAppLicenseAsync() returns false for active subscription in MSIX CLI

I'm building a WinRT CLI wrapper in C# that checks if a user owns an active Microsoft Store subscription add-on. This CLI is called from an Electron + React.js app using command-line arguments and returns true or false depending on the license…

Developer technologies | C#
Developer technologies | 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.
11,742 questions
asked 2025-06-12T16:21:17.58+00:00
M McKanstry 0 Reputation points
edited a comment 2026-01-14T20:16:41.0166667+00:00
Nathan 0 Reputation points
2 answers

how to get the keys in .net maui ?

I am using .net maui and I want to get the :1. android cert md5 2.ios cert SHA-1 3.public key of android and ios. how to get them? the first I searched that there is no md5 in keytool -printcert

Developer technologies | .NET | .NET MAUI
asked 2025-12-29T11:22:22.3466667+00:00
mc 6,576 Reputation points
accepted 2026-01-14T19:54:56.7266667+00:00
mc 6,576 Reputation points
1 answer

VS Code stopped showing syntax errors

My visual studio code stopped showing the red squiggly lines for syntax errors and I have tried every solution that I have googled. I even asked my programming prof what was wrong with my VS code and he didn't know after. I even reinstalled VS Code but…

Developer technologies | Visual Studio | Debugging
asked 2026-01-06T01:58:51.7266667+00:00
Vivian 0 Reputation points
commented 2026-01-14T17:39:32.4033333+00:00
Vivian 0 Reputation points
1 answer

Make WinForms look like and behave the same as WinUI 3

Hello everyone, I would like to know how to make Windows Forms (WinForms) look like and behave the same as WinUI 3. Thank you very much.

Developer technologies | Windows Forms
asked 2026-01-14T14:31:47.31+00:00
Tommer Francis 0 Reputation points
answered 2026-01-14T15:33:22.3433333+00:00
Castorix31 91,531 Reputation points
0 answers

still having issues with receiving data from mongo

2026-01-14 14:52:56.892 Uncaught app execution Traceback (most recent call last): File "C:\Dev\Project\TRW-Forward-Tester\ForwardTeste\Lib\site-packages\streamlit\runtime\scriptrunner\exec_code.py", line 128, in…

Developer technologies | Visual Studio | Extensions
asked 2026-01-14T15:11:06.26+00:00
Gary Mcnab 20 Reputation points
1 answer

Is it possible to find out in Google Play Console if my Android game is only supported on devices with a touchscreen?

In Google Play Console Internal Testing it was displayed that my game is supported on many different Android devices. I think it was a few thousand devices. I don´t know if my game can only be played on Android devices with a touchscreen or if it is…

Developer technologies | .NET | .NET MAUI
asked 2026-01-14T14:08:37.16+00:00
Kim Strasser 1,956 Reputation points
answered 2026-01-14T14:08:46.67+00:00
Q&A Assist
2 answers

GetDirectoryName('')" cannot be evaluated. The path is not of a legal form.

Good day, trying to compile my Windows Forms app - getting the error in the subject field... Thx

Developer technologies | C#
Developer technologies | 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.
11,742 questions
asked 2026-01-07T07:56:12.91+00:00
Pieter Claassens 40 Reputation points
commented 2026-01-14T12:59:44.11+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,405 Reputation points Microsoft External Staff
4 answers

How to secure both Blazer server and api ?

Hello, I need an advice. I'd like to secure a blazor server app with individual user account. This functionality is embedded with the basic setup, and use cookies. But I also need to protect my web api with the same way. I know about the JWT, but I…

Developer technologies | C#
Developer technologies | 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.
11,742 questions
asked 2026-01-07T10:13:29.1533333+00:00
Laurent Guigon 331 Reputation points
commented 2026-01-14T12:59:03.22+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,405 Reputation points Microsoft External Staff
3 answers

How to resolve a link error about a pointer?

Windows 11, Visual Studio 2022, C++, project type MFC Gosh, this is too long, but I have been struggling with it all day. I have tried to provide what seems to be essential but as short as I can. Setup: The project has several GUIs. One of the GUIs…

Developer technologies | C++
Developer technologies | 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.
4,039 questions
asked 2026-01-02T06:45:14.3166667+00:00
Bryan Kelly 556 Reputation points
commented 2026-01-14T12:57:57.7133333+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,405 Reputation points Microsoft External Staff
3 answers One of the answers was accepted by the question author.

C# Winforms control.Width not reflecting FontStyle change from Regular to Bold at runtime

I am (trying to) use control.Width at runtime to calculate control spacing . To test I've got this code: `public static Font Std_9_R { get; } = new Font( "Segoe UI", 9, FontStyle.Regular );` ```` public static Font Std_9_B { get; }…

Developer technologies | C#
Developer technologies | 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.
11,742 questions
asked 2026-01-13T12:20:37.4233333+00:00
Art Hansen 601 Reputation points
commented 2026-01-14T12:56:32.9333333+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,405 Reputation points Microsoft External Staff
3 answers

errors in visual studio integration mongo db

$ 'c:/Dev/Project/TRW-Forward-Tester/dashboard/dashboard.py' c:/Dev/Project/TRW-Forward-Tester/dashboard/dashboard.py: line 1: import: command not found c:/Dev/Project/TRW-Forward-Tester/dashboard/dashboard.py: line 2: import: command not…

Developer technologies | Visual Studio | Extensions
asked 2026-01-14T10:21:51.84+00:00
Gary Mcnab 20 Reputation points
commented 2026-01-14T12:19:52.99+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,405 Reputation points Microsoft External Staff