How to Debug Remote MAUI App Launch
I have a .NET 9 MAUI app being deployed to a remote Xcode iOS iPhone 16 Plus. All components have the latest release software. The deployment is successful, and the application is launched and the splash screen displayed on the phone. However, the first…
Developer technologies | Visual Studio | Debugging


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


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

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

Has anyone worked with NetCoreServer? Looking for guidance and resources
Hi everyone, I'm exploring alternatives to WinSock for socket programming in .NET 8 Core windows form application and came across the NetCoreServer library. It looks promising for building TCP/UDP/SSL/WebSocket servers and clients with high performance…
Developer technologies | .NET | .NET Runtime
Modification to VBA Code - Copying data after drop down list value change and pasting to another sheet
Hi. I have this code which I need some assistance modifying - see below. First modification is the DropDownCell range should include all of column A that contains data not just cell A1. So if you change the value of any cell in column A using the…
Developer technologies | Visual Basic for Applications
IIS Express configuration not working
IIS Express 10.0 is installed along with VS 2022. However, asp.net web/api projects are not getting created/ existing web projects not getting loaded. I have uninstalled / reinstalled VS 2022 but IIS Express issue is still showing. I have tried running…
Developer technologies | Visual Studio | Setup
How do I control which database to use when a Blazor Server app starts?
I'm working on a rewrite of an old WebForms application. I want to be able to control, through a GitHub Action running in a self-hosted runner, which database (test or production) the application should run against. I thought I could do this with the…
Developer technologies | ASP.NET | ASP.NET Core
Exporting a template from Visual Studio 2022 fails with "read-only or does not exists" error
I created a web project, added specific nuget packages for said project, config files and a wee bit of customization. Then I choose Project -> Export Template. I select the project I want exported as a template, Change the template name to a name not…
Developer technologies | Visual Studio | Other
How to Share Apple Code Signing Key
Trying to switch to developing an iOS app using Hot Restart from using Mac Xcode. Using the same project, when building I am getting the error message "signing key not found in keychain". I am able to build and deploy to the iPhone using the…
Developer technologies | .NET | .NET MAUI


How do I migrate some older .NET Framework apps to GitHub?
18 months ago, we migrated hundreds of TFS/TFVC repos from an old, on-premises TFS server, to our GitHub Enterprise organization. There are, however, two TFVC repos still in that old TFS server because they are written using .NET Framework 4.5.2 and TFS…
Developer technologies | Visual Studio | Other
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#
Which certificate does the VS installer use for verification of vs_installer.opc
I am trying to install the VS 2022 Build Tools on my build server. However, during installation, I am receiving the following error on the bootstrapper logs: [16a0:0011][2025-06-25T06:41:39] Download requested:…
Developer technologies | C#
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
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
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++
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
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
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++
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
