56,120 questions with Developer technologies-related tags

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3 answers One of the answers was accepted by the question author.

How to cancel multiple property changes

I have a person class that is displayed in a wpf window so that a user can edit the various person properties. I want to allow a user to click on a button that cancels all changes up to that point. The following code is my implementation: Private Sub…

Developer technologies | VB
Developer technologies | VB

An object-oriented programming language developed by Microsoft that can be used in .NET.

2,933 questions
asked 2026-07-19T00:41:38.44+00:00
RogerSchlueter-7899 1,756 Reputation points
accepted 2026-07-20T13:05:00.38+00:00
RogerSchlueter-7899 1,756 Reputation points
1 answer

setup vs2026 fail

安装发生错误。 可以通过以下方法排查包故障: 1. 使用下面的搜索 URL 搜索每个包故障的解决方案 2. 修改对受影响工作负载或组件的选择，然后重试安装 3. 从计算机中删除产品，然后重新安装 如果已在开发者社区上报告问题，则可在此处找到解决方案或解决方法。如果尚未报告此问题，我们鼓励你创建新问题，以便其他开发人员能够找到解决方案或解决方法。可以使用“提供反馈”按钮从右上角的 Visual Studio…

Developer technologies | Visual Studio | Setup
asked 2026-07-20T04:39:40.5266667+00:00
CHENG GUO ZHU 0 Reputation points
answered 2026-07-20T09:08:05.63+00:00
Varsha Dundigalla(INFOSYS LIMITED) 5,185 Reputation points Microsoft External Staff
1 answer

Overload resolution failed because no accessible 'Image' is most specific for these arguments

My app has a bunch of buttons. The images on the button were added by importing an image to the Resources. I added a TableAdapter through the DataSet Designer. Now when I go to open the Form Designer it fails to load with this error:The designer cannot…

Developer technologies | Windows Forms
asked 2026-07-18T15:41:30.97+00:00
James Buss 136 Reputation points
answered 2026-07-20T08:03:32.22+00:00
Jay Pham (WICLOUD CORPORATION) 3,810 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

How to read the HTTP Body in an IIS Managed Module without breaking an ASP.NET Core Azure Web App?

I am trying to intercept and read incoming HTTP traffic using a custom managed .NET module (IHttpModule) on a Windows-based Azure Web App. I am able to successfully fetch the context.Request and context.Response parameters, headers, and metadata.…

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.

11,809 questions
asked 2026-07-09T15:37:38.7866667+00:00
Shemesh, Tchelet 10 Reputation points
accepted 2026-07-20T07:39:07.8+00:00
Shemesh, Tchelet 10 Reputation points
2 answers

Sequence contains no elements

I'm using Visual Studio 2026 writing in VBasic. 3 times recently I have received the above error and I don't know what's wrong nor how to fix it. It happens when copying and renaming controls. There's no help, and VS doesn't allow me to do further…

Developer technologies | Windows Forms
asked 2026-07-19T11:17:22.09+00:00
Rob Sandham 0 Reputation points
answered 2026-07-20T04:34:55.43+00:00
Danny Nguyen (WICLOUD CORPORATION) 7,425 Reputation points Microsoft External Staff Moderator
1 answer

Securing .Net 10 WebApi to be called by Windows Application

Hello everyone and thanks for the help in advance. I am developing a .Net 10 WebApi that will be called by a Windows application. When searching for solutions I am confused if the calling application changes how the api is secured. Any help would be…

Developer technologies | .NET | Other
Developer technologies | .NET | Other

Microsoft Technologies based on the .NET software framework. Miscellaneous topics that do not fit into specific categories.

4,174 questions
asked 2026-07-18T01:48:31.2233333+00:00
Kmcnet 1,401 Reputation points
answered 2026-07-20T04:09:58.5766667+00:00
Danny Nguyen (WICLOUD CORPORATION) 7,425 Reputation points Microsoft External Staff Moderator
4 answers

How to migrate from Xamarin at Maui a dependency in NUGET

Hi to all. I'va translated a Xamarin project into MAUI environement. The error gived by the compiler is the follower: ... Code="MA001" Text="This project or a dependency has imported the Xamarin.Forms packages. .NET MAUI is not…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-07-19T15:41:37.4033333+00:00
Paolo Mossa 246 Reputation points
answered 2026-07-20T04:07:56.3233333+00:00
Nancy Vo (WICLOUD CORPORATION) 7,500 Reputation points Microsoft External Staff Moderator
3 answers

Microsot NET Framework 3.5 Stuck downloading.

Downloading this for steam games, but it keeps stalling like this. I've already tried to solve this by reinstalling windows and checking for outdated drivers. Used disk checker, sfc scan and other repair commands on cmd prompt. PLS HELP..

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-07-14T17:34:17.4333333+00:00
Aman Kaushik 0 Reputation points
answered 2026-07-20T03:32:01.2033333+00:00
kagiyama yutaka 4,175 Reputation points
2 answers One of the answers was accepted by the question author.

Comparing List<T>

Hello everyone and thanks for the help in advance. I have a WebApi application that accepts a List<tblResults> where the model for tblResults looks like: public class tblResults { public int Record_ID { get; set; } public int Description { 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.

11,809 questions
asked 2026-07-17T16:50:17.87+00:00
Kmcnet 1,401 Reputation points
answered 2026-07-20T03:24:44.94+00:00
Nancy Vo (WICLOUD CORPORATION) 7,500 Reputation points Microsoft External Staff Moderator
2 answers

C++ I/O Readable

Not sure what I am doing wrong but this should output readable values, does not: #include fstream; float PLOTX[20]; float PLOTY[20]; float PLOTZ[20]; int INOW=20; I = 0; //Open the output file for writing ofstream out("C:/Plot Data"); do { …

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.

4,091 questions
asked 2026-07-13T00:10:00.6833333+00:00
Sid Kraft 46 Reputation points
commented 2026-07-20T02:57:26.16+00:00
Nancy Vo (WICLOUD CORPORATION) 7,500 Reputation points Microsoft External Staff Moderator
1 answer

Lost access to organization that published my VS Code extension

Hi, apparently I lost an access to my former organization that published my extension https://marketplace.visualstudio.com/items?itemName=SaiRev.automate-react-task I have accesses to both github and personal accounts that might be associated with the…

Developer technologies | Visual Studio | Extensions
asked 2026-07-12T00:18:57.9066667+00:00
SaiRev 0 Reputation points
edited a comment 2026-07-20T02:55:51.7933333+00:00
Nancy Vo (WICLOUD CORPORATION) 7,500 Reputation points Microsoft External Staff Moderator
1 answer

Visual Studio 2026 .NET Maui App will run on in a Local Android Emulator... but not an actual device "App Not Installed"

I have a series of test android devices. I have built and deployed several .net MAUI apps over the previous 5 years. Recently I had a request for something new. I built about 80% of the app and decided to run an initial test. I did what I have always…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-07-14T00:09:14.0433333+00:00
Stewart Basterash 0 Reputation points
commented 2026-07-20T02:41:30.7866667+00:00
Nancy Vo (WICLOUD CORPORATION) 7,500 Reputation points Microsoft External Staff Moderator
4 answers

How to prevent DLL hijacking when publishing into a single file

Hi, I've been making a C# WPF app that I publish into a single file. However, a coworker pointed out that it is vulnerable to Dll Hijacking. For example, if I make a fake "kernel32.dll" and put it into the same folder, it will find and run that…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-07-06T17:20:13.8666667+00:00
McBride, Casey 0 Reputation points
answered 2026-07-19T08:54:13.4966667+00:00
RLWA32 52,676 Reputation points
3 answers One of the answers was accepted by the question author.

Open Visual Studio 2026 (Community, Professional, Enterprise)

How to open Visual Studio 2026 from command prompt. Suppose you are in a directory path D:YourFolder from command-prompt you typed D: then cd YourFolder pressing tab to get the folder name then hit enter to open the path directory in command prompt, now…

Developer technologies | Visual Studio | Setup
asked 2026-07-15T15:36:58.9866667+00:00
Soumyadip Majumder 265 Reputation points
accepted 2026-07-18T08:55:45.39+00:00
Soumyadip Majumder 265 Reputation points
1 answer

Stale VS2019 Credentials

I keep getting a warning about stale credentials for my VS2019 system. I have 4 days left to fix the license. I am not successful at resolving the situation. I need to continue using the system

Developer technologies | Visual Studio | Other
Developer technologies | Visual Studio | Other

A family of Microsoft suites of integrated development tools for building applications for Windows, the web, mobile devices and many other platforms. Miscellaneous topics that do not fit into specific categories.

5,797 questions
asked 2026-07-18T03:33:05.0366667+00:00
Preston Henne 5 Reputation points
answered 2026-07-18T03:33:22.9066667+00:00

AI answer

3 answers

Problem with MAUI and Entra Login

Hi there I have downloaded the PublicSingletonClient to use for logging into our Azure platform for a MAUI app that we rewrote from Xamarin. The app was working fine, but all of a sudden I am having problems. It fails to interactively login if you are…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-07-15T08:56:58.51+00:00
Jai Holloway 115 Reputation points
commented 2026-07-17T11:04:06.4033333+00:00
Nancy Vo (WICLOUD CORPORATION) 7,500 Reputation points Microsoft External Staff Moderator
2 answers

How to fix f:\recovery\windowsre\winre.wim\system32\logfiles\srt\srttrail.txt

Hello, iv tried watching a bunch of videos and looking all over the internet but i just cant figure out what is wrong with it. i think my windows is installed onto my C: but I'm not even completely sure. the error code is:…

Developer technologies | Windows Forms
asked 2025-10-25T00:22:05.02+00:00
Dale 0 Reputation points
answered 2026-07-17T10:59:34.8+00:00
Josh Moreno 0 Reputation points
2 answers

Visual Studio 2022 C++ IntelliSense and Go To Definition stop working after saving source files

Environment: Visual Studio 2022 C++ project Windows version: 11 Problem: Visual Studio C++ IntelliSense and code navigation stop working after modifying and saving source files. Steps to reproduce: Download OpenCV source code. Open the project in…

Developer technologies | Visual Studio | Setup
asked 2026-07-16T08:49:34.75+00:00
syz 0 Reputation points
answered 2026-07-17T06:30:51.4566667+00:00
Leon Tran (WICLOUD CORPORATION) 2,150 Reputation points Microsoft External Staff Moderator
2 answers

.NET app fails to start: hostpolicy.dll and runtimeconfig.json missing (self-contained app not properly packaged)

I am trying to run a third‑party .NET application (DBusWorld Launcher), but the executable fails immediately with the following error: A fatal error was encountered. The library 'hostpolicy.dll' required to execute the application was not found in the…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-07-16T21:13:06.7633333+00:00
Kemotkowy 0 Reputation points
answered 2026-07-17T04:12:55.19+00:00
Danny Nguyen (WICLOUD CORPORATION) 7,425 Reputation points Microsoft External Staff Moderator
2 answers

OpenGL Review

Running Visual Studio, C++ trying to access the OpenGL Library functions. Per provided instructions, I did the following: -Created a folder in my system C:\OpenGL Library -Went to C:\Program File (x86)\Windows…

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.

4,091 questions
asked 2026-07-16T16:58:44.41+00:00
Sid Kraft 46 Reputation points
answered 2026-07-17T03:15:46.5366667+00:00
Nancy Vo (WICLOUD CORPORATION) 7,500 Reputation points Microsoft External Staff Moderator