If a method declared with the async modifier returns a cached result or completes synchronously,
i could not under statnd so 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 declared…
Developer technologies | ASP.NET | ASP.NET Core
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)
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)
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)
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

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)
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)
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)
I want to consume web api in operations authentication and authorization bu I'm getting this error. Can you help me ? thanks
Developer technologies | ASP.NET | ASP.NET Core
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
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++
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#
Request for Support: iOS Native Development Continuity with .NET 9 (MAUI)
Dear Microsoft Team, We are reaching out to seek your guidance and support regarding a critical blocker we are facing in our iOS development workflow with .NET MAUI. Current Challenge Our mobile application is being developed using .NET MAUI and…
Developer technologies | .NET | Xamarin
Why am I encountering a System.AccessViolationException in .NET Framework 4.8 on Windows Server 2019, but not in .NET Framework 4 on Windows Server 2008
I'm encountering the following error in .NET Framework 4.8 on Windows Server 2019, which I faced in 2022, when trying to select the element from ToolStripComboBox . However, I am unable to reproduce this error in .NET Framework 4 on Windows Server 2008:…
Developer technologies | .NET | .NET Runtime
Developer technologies | C++
Developer technologies | C#
Who’s the Best D-Link Partner for Reliable Networking Solutions?
Hey everyone, Looking for a reliable D-Link Partner to support our upcoming business network upgrade. With so many vendors out there, it’s hard to identify who truly offers genuine D-Link products along with proper installation and after-sales…
Developer technologies | Small BASIC
How to hide the topbar in Hyper-V client in full screen?
This thing here is in the way
Developer technologies | Universal Windows Platform (UWP)
Implement the Visual Studio Code debugging tools for C# - Unit 6 typo
The type attribute specifies the type of debugger to use for the launch configuration. A value of codeclr specifies the debugger type for .NET 5+ and .NET Core applications (including C# applications). This question is related to the following Learning…
Developer technologies | C#
MAUI app crash when execute BindableLayout.SetItemsSource with visual studio 2022 17.14.7
After the command BindableLayout.SetItemsSource(FlexLayout, IEnumerable) in DEBUG environment and WinUI it gives the error: System.ArgumentOutOfRangeException in System.Private.CoreLib.dll Exception thrown: 'System.Reflection.TargetInvocationException'…
Developer technologies | .NET | .NET MAUI
Push Notification Icon Color Issue in .NET MAUI Local Notifications
I have implemented push notifications using LocalPushNotification in my .NET MAUI app. I'm setting the small icon using: .SetSmallIcon(Resource.Drawable.ic_push_notification_solid) The issue is that the icon is displayed in gray instead of its…
Developer technologies | .NET | .NET MAUI
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…