54,054 questions with Developer technologies-related tags

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MAUI Picker control, .net 9: the Unfocused event IMMEDIATELY follows the Focused event?

I'm using the MAUI Picker control (ComboBox) on .net 9, Windows, VS 2022 v17.13.6. When the Picker gets focus by the user clicking it, the Focused event fires, but it is immediately followed by the Unfocused event and the drop down list opens. If the…

Developer technologies | .NET | .NET MAUI
asked May 14, 2025, 12:32 PM
Blaise-1597 61 Reputation points
commented Jul 3, 2025, 3:15 PM
Blaise-1597 61 Reputation points
0 answers

color connverter

I have a converter public class SelectedAvatarMultiValueConverter : IMultiValueConverter { public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { if(values.Length == 2 && …

Developer technologies | .NET | .NET MAUI
asked Jul 1, 2025, 8:56 PM
Eduardo Gomez 3,671 Reputation points
commented Jul 3, 2025, 3:00 PM
Eduardo Gomez 3,671 Reputation points
0 answers

CORS Policy Blocking POST Request in ASP.NET Core Minimal API with IIS Express (GET Works)

I'm developing an ASP.NET Core Minimal API using Visual Studio 2022 and running it with IIS Express. While GET requests work as expected, POST requests are being blocked due to CORS policy. Access to XMLHttpRequest at 'https://localhost:44302/api/xxx'…

Developer technologies | ASP.NET | ASP.NET API
asked Jul 3, 2025, 2:45 PM
Manoj 0 Reputation points
0 answers

how to present ID3D11Texture2D using swapChain?

just set once RenderTargetView or present then release the rendertargetView and then again set the rendertarget view?OMSetRenderTargets or swapChain->GetBuffer?

Developer technologies | C++
asked Jul 3, 2025, 2:39 PM
mc 5,431 Reputation points
1 answer

Why is step into function is working but play has error in VBA?

I have a macro that converts PDF file into excel. For the first file, it works properly not until I encountered this error on the succeeding files: When I tried to check step into, the macro runs smoothly and converts all the PDF files to excel. While…

Developer technologies | Visual Basic for Applications
asked Jun 24, 2025, 8:52 AM
Eliza O. Riva 0 Reputation points
edited a comment Jul 3, 2025, 1:35 PM
Jayden-P 2,770 Reputation points Microsoft External Staff Moderator
2 answers

If a method declared with the async modifier returns a cached result or completes synchronously,

i could not understand so could i get an exmaple of cached result and syncronous completion of async method. following is the lines from https://learn.microsoft.com/en-us/dotnet/csharp/asynchronous-programming/async-scenarios "If a method…

Developer technologies | ASP.NET | ASP.NET Core
asked Jul 3, 2025, 11:16 AM
rajesh yadav 191 Reputation points
answered Jul 3, 2025, 12:20 PM
TANMAY TIWARI 0 Reputation points
2 answers

How to insert two or more different values under one column name based on parent PK?

Greetings experts, We are designing internal ballot system that will be used to elect members into various positions based on election types.

Developer technologies | VB
asked Jun 2, 2025, 4:04 PM
Simflex 321 Reputation points
answered Jul 3, 2025, 11:44 AM
Surya Amrutha Vaishnavi Lanka (INFOSYS LIMITED) 0 Reputation points Microsoft External Staff
1 answer

Bitlocker using win 32 api

I have created a function inside my agent to apply bitlocker on a drive using win api, even though the execution is completed successfully the drives are not getting locked using bitlocker

Developer technologies | C++
asked Jun 17, 2025, 9:35 AM
Amal Krishna Jk 25 Reputation points
answered Jul 3, 2025, 11:35 AM
Omkara Varshitha Kunapalli (INFOSYS LIMITED) 80 Reputation points Microsoft External Staff
4 answers

Creating a reusable form using C# custom "User Control"

I'm trying to create a layout / form that can be reused on other forms. I think I'm in the right to utilize a "User Control" (screen captures below). I populate the control with some components, save it, then try to bring it onto the main…

Developer technologies | Windows Forms
asked Jun 30, 2025, 11:29 PM
mjeschke 40 Reputation points
answered Jul 3, 2025, 11:17 AM
Susmitha T (INFOSYS LIMITED) 0 Reputation points Microsoft External Staff
1 answer

Publishing a .NET MAUI app fails with error message "You must include a valid app package manifest file named AppxManifest.xml in the source."

I'm trying to publish a .NET MAUI app. The source code contains a "Package.appxmanifest" file. When I try to publish, it fails with the following error messages: You must include a valid app package manifest file named AppxManifest.xml in…

Developer technologies | Universal Windows Platform (UWP)
asked Jul 3, 2025, 8:53 AM
Andreas Stavropoulos 0 Reputation points
commented Jul 3, 2025, 11:04 AM
Patricia Horne 0 Reputation points
1 answer

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)
asked Jun 20, 2025, 3:31 AM
DotNET Fan 271 Reputation points
commented Jul 3, 2025, 11:02 AM
Harry Vo (WICLOUD CORPORATION) 80 Reputation points Microsoft External Staff
1 answer

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)
asked Jun 1, 2025, 9:50 PM
Dmitriy Sidin 0 Reputation points
commented Jul 3, 2025, 10:59 AM
Harry Vo (WICLOUD CORPORATION) 80 Reputation points Microsoft External Staff
2 answers

How to To Change Auto Navigation in a Modal?

I have a modal that previews my image products (originally i have a productgridcontainer that automatically circles through these image products for my customers to see the avilable products which i want it to be that way but i want the modal to be…

Developer technologies | ASP.NET | ASP.NET Core
asked Mar 30, 2025, 1:15 AM
KwebenaAcquah-9104 326 Reputation points
commented Jul 3, 2025, 10:59 AM
Danny Nguyen (WICLOUD CORPORATION) 250 Reputation points Microsoft External Staff
0 answers

Windows Task Scheduler: Scheduled Job Fails with Launch Failure Error (2147943726) When 'Do Not Store Password' is Checked.

I am registering task in Windows Task Scheduler with settings "Run whether user is logged on or not" and "Do not store password. The task will only have access to local computer resources." enabled. When task triggers it is failing…

Developer technologies | Universal Windows Platform (UWP)
asked Jul 3, 2025, 10:57 AM
Sagar Salunke 0 Reputation points
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 3, 2025, 10:57 AM
Harry Vo (WICLOUD CORPORATION) 80 Reputation points Microsoft External Staff
1 answer

ms-appinstaller protocol has been disabled.

Hi, I have a WPF application and a Windows Application Packaging Project. I use Publish -> Create App package -> Sideloading -> enable automatic updates package is created and we put the output entire folder on our website. when Win10 users…

Developer technologies | Universal Windows Platform (UWP)
asked Jul 2, 2025, 12:24 PM
Jignesh Desai 106 Reputation points
edited a comment Jul 3, 2025, 10:54 AM
Harry Vo (WICLOUD CORPORATION) 80 Reputation points Microsoft External Staff
asked Mar 14, 2025, 2:56 PM
Hakan Arlı 0 Reputation points
commented Jul 3, 2025, 10:53 AM
Danny Nguyen (WICLOUD CORPORATION) 250 Reputation points Microsoft External Staff
1 answer

Resovle Dependency Injection in Custom AuthorizationHandler

I speding days try to implement Permission based authorization like this post: Permission-Based Authorization in ASP.NET Core: A Step-by-Step Guide - DEV Community with custom AuthorizationHandler and AuthorizationPolicyProvider. My issue is: after the…

Developer technologies | ASP.NET | ASP.NET Core
asked Apr 1, 2025, 1:37 PM
Lam Trường 0 Reputation points
commented Jul 3, 2025, 10:50 AM
Raymond Huynh (WICLOUD CORPORATION) 75 Reputation points Microsoft External Staff
0 answers

Activate AddressSanitizer in Qt6

Hi all, I'm developing in Qt c++ under Windows and try to use AddressSanitizer within QtCreator. According to this blog from 2021 (https://devblogs.microsoft.com/cppblog/address-sanitizer-for-msvc-now-generally-available/) it should be possible. When I…

Developer technologies | C++
asked Jul 3, 2025, 10:44 AM
Jazzco 0 Reputation points
0 answers

Suspected Compromise Involving Microsoft Authenticator and Entra Activity

Reporting a suspected compromise involving: Microsoft Authenticator Silent appearance of Microsoft Entra ID-linked behavior Unauthorized device trust and token issuance across iOS and Windows platforms Critically, there was no explicit…

Developer technologies | C#
asked Jul 3, 2025, 10:33 AM
Ernest Ramos 0 Reputation points