
How to setup Excel Interop for Exccel 365
I've been attempting to setup a project that allows me to use Excel Interop in C# on the Office 365 version (I need to create and edit some sheets to automate some tasks from work involving CSV files). However almost every attempt has resulted in the…
Microsoft 365 and Office | Development | Other

Developer technologies | C#
can VS Code highlight TIE syntax?
Can VS Code recognize and highlight TIE syntax? Is it and extension? Where do I get it, how do I install it? If not yet available, how do I create one?
Developer technologies | Visual Studio | Extensions
Attaching to WSL process from a visual studio extension.
I can attach to a WSL process in visual studio by going Debug -> 'Attach To Process' in the menu, then setting the 'Connection type' to 'Windows subsystem for Linux', selecting the process from the list, and clicking the 'attach' button. How can I do…
Developer technologies | Visual Studio | Extensions
can i switch from using product key to sign-in-based license in visual studio 2022
How can I switch from using product key to sign-in-based license in visual studio 2022?
Developer technologies | Visual Studio | Setup
Unable to Hide Buttons in Custom Toolbar with UI Context in Visual Studio Extension
I have created a custom toolbar in my Visual Studio extension that appears only with specific files, using a defined UI context. I want to hide certain buttons in this toolbar programmatically. However, setting the .Hidden = true property does not hide…
Developer technologies | Visual Studio | Extensions
why abc4j can not parse the file?
I am using .net android and add the package : abc4j to parse music file. but there is error and I can not parse it. this is the music file: p.txt
Developer technologies | .NET | .NET MAUI
fragment will tap to another when commit one?
I am using .net android and I have pageA and pageB I will replace pageA with pageB using fragmentManager and then commit it. when after the transaction I can still click the control in pageA but the current page is pageB why?
Developer technologies | .NET | .NET MAUI
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

How can I drag and Drop and email from Outlook into a web form, and parse out the email details
I have a drag and drop form working, but I cannot get the email details from the 'dropped' file. Tried using the Microsoft.Office.Interop.Outlook package (had success in a winformapp), but I can't figure it out. Here is a js snippet I am using to trap…
Developer technologies | ASP.NET | ASP.NET API
app.UseCookieAuthentication - SessionStore
Hi Team, I have a scenario where in asp.net MVC application the session Key (GUID every time user logs in) is stored to a SQL database Table. The below methods are used. I need suggestions for two things 1.The underlying database Can have any number…
Developer technologies | ASP.NET | ASP.NET API
The correct CChildFrame is not activated after the predecessor is closed.
MFC MDI application. Opened several CChildFrame s. (To illustrate better my issue I identified every CChildFrame with an unique id.) Opened, lets say, 5 CChildFrame. 1, 2, 3, 4, 5. List the order of the CChildFrame by menu: About: List…
Developer technologies | C++
Enable Location Service in .NET MAUI after upgrading from Xamarin Forms
I am currently upgrading my Xamarin Forms application to .NET MAUI. In my Xamarin Forms app, I used DependencyService to enable a location pop-up asking the user for location service permission. I'm struggling to find a way to achieve the same result in…
Developer technologies | .NET | .NET MAUI
Setting Content Type of virtual editors (Opened using IVsUIShell.CreateDocumentWindow)
I have implemented an LSP Language Server and want this to be loaded / associated with virtual documents. Virtual documents are opened using IVsUIShell.CreateDocumentWindow. How to set the Content Type of these virtual documents so that LSP Server gets…
Developer technologies | Visual Studio | Extensions
How to use existing Visual Studio subscription/license on new laptop
Several years ago I purchased a subscription for microsoft visual studio profesional and am still paying monthly. The laptop I was using Visual Studio 2019 on is no longer functioning. However, I have the hard drive from the old laptop in my new laptop.…
Developer technologies | Visual Studio | Setup
System.ArrayTypeMismatchException when using System.Text.Json with .NET Framework 4.7 in MSTest
Hi, I'm currently using .NET Framework 4.7 along with MSTest (all packages are up to date). I'm trying to deserialize a JSON string using System.Text.Json as shown below: using System.Text.Json; private static JsonSerializerOptions GetOptions() { …
Developer technologies | .NET | Other
How can sideloaded UWP app update the version installed in a device
Our organization has developed a line-of-business (LOB) application for use on Panasonic mobile tablets. The app is distributed via sideloading, with the installation package hosted on a shared UNC path. Installation is handled using a .appinstaller…
Developer technologies | Universal Windows Platform (UWP)
How to load Langauge Server (LSP) when loading the extension package
I have a requirement of loading the Language Server (LSP) explcitly without opening any file (of the Language Server's content type). But currently the Langauge Server gets loaded only when a file of this content type is opened. Is there a way to load…
Developer technologies | Visual Studio | Extensions
How to use Co-Pilot via API
Hi, I am trying to figure out if it is possible to query co-pilot and grab the generated answer via api. What I mean by this is for example say in Jira or any Ticketing System that can make calls to an API is it possible to make a call to co pilot…
Developer technologies | ASP.NET | ASP.NET API
Microsoft Copilot | Other
Post migrating from Azure to on-premises our Development and Production servers, our .NET API, Angular site throwing Azure CLI authentication failure issue
An error occurred while starting the application. CredentialUnavailableException: EnvironmentCredential authentication unavailable. Environment variables are not fully configured. Azure.Identity.CredentialDiagnosticScope.FailWrapAndThrow(Exception…
Developer technologies | ASP.NET | ASP.NET API
Code problem
Hi, It is the issue to have 2 "strong" below is it owing to the last 2nd line below. How to correct it?