How to programmatically set an icon that is in resources in C#
I'm trying to programmatically set my program's icons in code using an icon in the resources in C#. This code here doesn't work: System.ComponentModel.ComponentResourceManager resources2 = new…


Windows Forms Application Icon suddenly shows as default icon or does not update color after KB5051989 update
Hi, Our C# Windows Forms Application icon (in the taskbar) suddenly shows as default icon or sometimes doesn't update its color (based on the customization) after installing the KB5051989 update. This has been working for 15 years, and the issue just…
Settings.Default.Upgrade does not copy over the user settings to new release
Hello, I'm writing a console app in Winform with Visual Studio 2019. I want the user settings to persist every time I release a new version. I'm using this piece of code to do that. if (Properties.Settings.Default.UpgradeRequired) …
How is it possible to implement a complete semblance of a console (online compiler) in win fomrs?
Good time! Faced such a task as implementing code execution as in a console application in C # (with classes, methods, the ability to read data, etc.). Everything went super until I started testing my application. The problem is that I can execute code…
How to fix the problem of controls disappearing from the screen design window.
I am using Visual Studio Community 2022 version. In the C# WinForm framework environment, when changing the position or size of the screen design window control, an error occurs where the control disappears. In that case, if I close and open the Form…
Can not move my buttons in forms
i am learning C# and i got to microsoft forms. so in my book it tells me to create a "TabControl" and add 3 simple buttons in the first tab of the TabControl. everytime i add a button, i can not reposition it anymore within the…
The keyboard inputs are not updating correctly in the hosted WinForms application
Hi, We are encountering an issue in a WPF application hosted within a WinForms application. The keyboard event is triggered correctly, but the values are not updating properly in the UI. Here’s the setup: Create a WinForms application with a user…
How to display menu by NotifyIcon without displaying the form in Taskbar
I have a form with a NotifyIcon and a ContextMenuStrip and I want to display the menu by clicking on the notification, but unfortunately it is displayed in the taskbar. Why? I tried setting the ShowInTaskbar property to false, but it didn't work.Tip Only…

Attempting to register a 64-bit Enterprise Architect DLL with built-in windows
Hello, I am attempting to create a 64-bit DLL as an add-in for Enterprise Architect. However, in order to do what I need it to, I have to include some form of additional window. Is there any possible way to add in these extra windows in a way so that…
setWindowCompositionAttribute After setting transparency, how to restore
When I use setWindowCompositionAttribute to set a window to be transparent, what is the correct way to restore the window to its original state when I can not make the window transparent
windows.opener() handling with WebView2
In the webform, I have used window.opener for opening a new window that acted as a dialog which required user input, and needed to pass information back to the main window. I am trying to embed this in winform using WebView2 control.The…
How can I fix the error: System.NullReferenceException: 'Object reference not set to an instance of an object.'
The following is my code: namespace RegistrationForm { public partial class Rent : Form { AptId aptId; Payment payment; public Rent(AptId apt) { InitializeComponent(); …
How to troubleshoot "designer load encountered an error"
Is there a good reference to assist with design time form load errors?
Does System.Text.Json Deserialize into DataTable?
Hello .Net Gurus - I have checked MS Documentation and I couldn't find any example of serialize json data using System.Text.JSON into DataTable. I have .Net Framwork 4.7.2 and did install the System.Text.Json NuGet package. The desrialization is…
How to fix SystemLoadExecption
Exception has occurred: CLR/System.TypeLoadException An unhandled exception of type 'System.TypeLoadException' occurred in Winappli.dll: 'Could not load type 'Microsoft.Toolkit.Uwp.Notifications.NotificationActivator' from assembly…
How To Post Question On social.msdn.microsoft.com?
I am trying to post on social.msdn.microsoft.com but every time I click on ask question it redirects me to learn.microsoft.com. Please help.
Ordinal 129 could not be located in DLL (loadlibrary | peak PCAN passthru | winforms application)
Hello all, I'm facing an issue with latest version of Peak PCAN driver, when I try to load the DLL of the latest driver in my winforms project the above error is shown. The catch is using the same loadlibrary function in any other project…
Visual Studio: Publishing Windows Application to ftp no longer works - please help!
I have been successfully publishing my Windows Applications built in Visual Studio for years now, to my website with an ftp account. I can connect to the ftp with Filezilla and Windows 10, no problem, but not in the publish. I've looked online for…
how to fix To prevent possible data loss before loading the designer, the following errors must be resolved: ?
|Here is the call stack:at Microsoft.VisualStudio.Design.Serialization.CodeDom.XML.CodeDomXmlProcessor.CreateVariableKindUnknownException(XmlElementData xmlElement, String name)at …
Close and then open a new tab page or window asks authentication
I am trying to embed a webform application in WinForm using Webview2 control. The new window opens in a tab page with webview2 child ( e.handled=true). But when destroying the child tab wm_destroy is not calling properly. so each time while open a new…