Developer technologies | Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,998 questions
2 answers
System.Void may not be used as a type argument
When I attempt to open a form in designer (.Net 2026 c#), I get a "System.Void may not be used as a type argument" error. IF I click on "ignore and Continue" the form opens correctly. Why is this?
Developer technologies | Windows Forms
asked 2026-07-06T19:36:46.4566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 28.999999999999996%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAB%3C/text%3E%3C/svg%3E)
Al Bourque
5
Reputation points
answered 2026-07-07T11:19:58.37+00:00
Al Bourque
5
Reputation points
2 answers
EmptyView is not visible on the UI when no items are available in iOS platform
Below is my UI: <Label Grid.Row="1" x:Name="_emptyLabel" IsVisible="False" Text="{ex:Localized NoAlertsArchivedText}" AutomationProperties.HelpText="{ex:Localized…
Developer technologies | .NET | .NET Multi-platform App UI
Developer technologies | .NET | .NET Multi-platform App UI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,328 questions
asked 2026-06-26T07:25:04.8166667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(185.6, 44%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Sreenivasan, Sreejith
925
Reputation points
commented 2026-07-07T11:07:03.01+00:00
Sreenivasan, Sreejith
925
Reputation points
2 answers
One of the answers was accepted by the question author.
Issue with icons in NavigationPage TitleView
Below is my title view: <NavigationPage.TitleView> <Label Text="{ex:Localized AlertsText}" HorizontalOptions="CenterAndExpand" VerticalOptions="Center" …
Developer technologies | .NET | .NET Multi-platform App UI
Developer technologies | .NET | .NET Multi-platform App UI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,328 questions
asked 2026-06-26T10:35:10.4433333+00:00
Sreenivasan, Sreejith
925
Reputation points
commented 2026-07-07T10:51:38.6833333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(118.4, 21%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENV%3C/text%3E%3C/svg%3E)
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
1 answer
fix net framework 3.5 on insider program
trying fix net framework 3.5 on the insider program
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.
1,333 questions
asked 2026-07-03T09:47:36.8566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(169.60000000000002, 20%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIH%3C/text%3E%3C/svg%3E)
IAN HAMMO
0
Reputation points
commented 2026-07-07T10:18:46.3+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(73.60000000000001, 14.000000000000002%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDP%3C/text%3E%3C/svg%3E)
Damien Pham (WICLOUD CORPORATION)
1,755
Reputation points Microsoft External Staff
Moderator
3 answers
Fresh C# ASP.NET Core Web Api project on VS returns ERR_EMPTY_RESPONSE upon entering the localhost of the instanced solution.
That's... Really it, tbh. I'm using Visual Studio Community Edition 2026, in Windows 11 Home Single Language, The Visual Studio is a fresh installation that the only thing I really modified of it is the default language in installation. Everything else…
Developer technologies | ASP.NET Core | ASP.NET API
Developer technologies | ASP.NET Core | ASP.NET API
A component of ASP.NET Core for creating RESTful web services that support HTTP-based communication between clients and servers.
481 questions
asked 2026-06-29T20:52:06.5833333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(160, 70%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
Mar
5
Reputation points
commented 2026-07-07T10:15:52.5533333+00:00
Damien Pham (WICLOUD CORPORATION)
1,755
Reputation points Microsoft External Staff
Moderator
1 answer
OpenGL Library Routines
Downloaded the Open GL Library routines and directed Visual Studio, C++ header lines as follows: #include <C:\glfw-3.4\Include\GLFW\glfw3.h> #include <C:\glfw-3.4\Include\GLFW\glfw3native.h> The C++ header directives seem to work ok. However,…
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.
4,085 questions
asked 2026-07-02T01:16:59.0866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(131.20000000000002, 34%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESK%3C/text%3E%3C/svg%3E)
Sid Kraft
46
Reputation points
commented 2026-07-07T09:20:32.3966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(166.4, 18%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETL%3C/text%3E%3C/svg%3E)
Taki Ly (WICLOUD CORPORATION)
2,560
Reputation points Microsoft External Staff
Moderator
2 answers
How To Read Data From ODBC And Send It Into Excel Defined Names in C++
Hello C++ COM Experts, We have developed a way of storing SQL in the cloud, reading it, resolving parameters, running it, fetching results, and sending the results into Excel PowerPivot and refreshing the charts. This is very useful in the world of…
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.
4,085 questions
asked 2026-06-30T09:15:11.2933333+00:00
Peter Jones (BIDA)
151
Reputation points
commented 2026-07-07T09:20:27.91+00:00
Taki Ly (WICLOUD CORPORATION)
2,560
Reputation points Microsoft External Staff
Moderator
0 answers
MAUI: This solution contains packages with vulnerabilities
Last week when I open Visual Studio in windows I saw a message like below screenshot. when I tap on Manage NuGet Packages it listed 2 packages. SQLitePCLRaw.lib.e_sqlite3.android and SQLitePCLRaw.lib.e_sqlite3.ios The installed version of the above…
Developer technologies | .NET | .NET Multi-platform App UI
Developer technologies | .NET | .NET Multi-platform App UI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,328 questions
asked 2026-07-07T08:59:38.8966667+00:00
Sreenivasan, Sreejith
925
Reputation points
asked 2026-07-07T08:59:38.8966667+00:00
Sreenivasan, Sreejith
925
Reputation points
1 answer
MediaPicker.CapturePhotoAsync camera not opening fullscreen on iPad Pro 13-inch (M5)
When using MediaPicker.Default.CapturePhotoAsync() in a .NET MAUI application on iPad, the camera is not always presented in fullscreen mode. On certain iPad devices, the camera opens as a sheet/popover instead of occupying the full screen. The issue is…
Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,380 questions
asked 2026-07-07T06:54:41.2666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 75%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEG%3C/text%3E%3C/svg%3E)
Ekta Gautam (NCS)
0
Reputation points
answered 2026-07-07T07:49:42.6133333+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
5 answers
WebView2 Deployment
Hello, I recently converted a VB.net (VS 2022) Desktop Application from a WebBrowser control to a WebView2 Control. I have everything working just as I would like. When I create an installer and include all of the dependencies then install my…
Developer technologies | VB
Developer technologies | VB
An object-oriented programming language developed by Microsoft that can be used in .NET.
2,931 questions
asked 2026-07-04T13:23:05.03+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 68%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHR%3C/text%3E%3C/svg%3E)
Hal Roenick
0
Reputation points
answered 2026-07-07T07:07:41.8566667+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
2 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.
1,333 questions
asked 2026-07-06T17:20:13.8666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 21%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMC%3C/text%3E%3C/svg%3E)
McBride, Casey
0
Reputation points
answered 2026-07-07T06:28:30.4933333+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
2 answers
Accessing OpenGL Libraries
Using Visual Studio, C++ and want to include the OpenGL library elements. Have asked questions about doing and have had suggestions to use the Power Shell in Visual Studio and installing the OpenGL routines using the vcpkg install commands. Have received…
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.
4,085 questions
asked 2026-07-01T15:25:36.0066667+00:00
Sid Kraft
46
Reputation points
commented 2026-07-07T03:50:19.3166667+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
2 answers
Subscription
How do I get to my visual studio subscription? I have a valid MSDN account but can not access my visual studio subscription any longer
Developer technologies | Visual Studio | Setup
Developer technologies | Visual Studio | Setup
The process of installing, configuring, and customizing Visual Studio to support development workflows across languages, platforms, and workloads.
1,387 questions
asked 2026-07-01T17:59:26.75+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(240, 57.99999999999999%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELS%3C/text%3E%3C/svg%3E)
Lesley Snow
0
Reputation points
commented 2026-07-07T03:49:21.3166667+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
4 answers
How to copy a C# project to another directory and not get an error
When I make a copy of a working C# project and then go and try to open it in VS, I can't get the Form Designer to come up. I get this error: The designer could not be shown for this file because none of the classes within it can be designed. The…
Developer technologies | Windows Forms
Developer technologies | Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,998 questions
asked 2026-06-30T08:54:33.4866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(86.4, 17%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
MicheleGmail
0
Reputation points
commented 2026-07-07T03:47:17.96+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
2 answers
What Determines AddHandler Action
I have the following in my Window.Loaded event: Dim cvsPeople As CollectionViewSource = CType(Resources("cvsPeople"), CollectionViewSource) cvsPeople.Source = ocPeople .... ComboTextBox =…
Developer technologies | VB
Developer technologies | VB
An object-oriented programming language developed by Microsoft that can be used in .NET.
2,931 questions
asked 2026-06-29T14:45:42.08+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 34%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER7%3C/text%3E%3C/svg%3E)
RogerSchlueter-7899
1,736
Reputation points
commented 2026-07-07T03:44:51.72+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
1 answer
OpenGL Libraries
Trying to add the OpenGL libraries to Visual Studio, using C++. Issued the following commands: Tools, Command Line, Developer PowerShell, Install OpenGL, received the error: object not found? Any ideas from any body? Sid Kraft
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.
4,085 questions
asked 2026-06-29T13:08:20.96+00:00
Sid Kraft
46
Reputation points
commented 2026-07-07T03:42:14.56+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
2 answers
How do I fix .NET runtime installation error?
I keep getting a message to download and install .net runtime, x64, V 8.0.11. I downloaded the repair tool and it could not fix the problem. I have no idea how to fix this problem. suggestions?
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.
1,333 questions
asked 2026-05-24T17:40:44.9866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(147.20000000000002, 52%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERK%3C/text%3E%3C/svg%3E)
Reg Keegan
0
Reputation points
commented 2026-07-07T03:34:57.8466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(240, 36%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELD%3C/text%3E%3C/svg%3E)
Lizzy Dinh (WICLOUD CORPORATION)
620
Reputation points Microsoft External Staff
Moderator
2 answers
OpenGL Contents
Interesting, downloaded the files for OpenGL, C++ use in Visual Studio. When I included the headers glut.h, got several compiler errors saying "C" not recognized. Opened the glut.h file and following shown???
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.
4,085 questions
asked 2026-07-06T13:51:35.4+00:00
Sid Kraft
46
Reputation points
answered 2026-07-07T03:24:13.3766667+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
2 answers
OpenGL Libraries
Downloaded the OpenGL files labelled glut-3.7 with sub files glut-3.7\Lib and included them in my Configuration Properties Linker General Additional Library C:\glut-3.7\Lib. When I executed the program, it said that the glut-3.7\Lib program .obj could…
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.
4,085 questions
asked 2026-07-06T14:05:45.0566667+00:00
Sid Kraft
46
Reputation points
answered 2026-07-07T03:18:58.8633333+00:00
Nancy Vo (WICLOUD CORPORATION)
6,760
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Menu Icon usage in WPF with NuGet Package WPF-Icons
Hello All, I'm attempting to create a menu for my app and I thought it would be nice if I were to add Icons to my menu items. So I found a NuGet package (WPF-Icons2.0.0) and added to my solution. Unfortunately, I now have no idea of how to specify which…
Developer technologies | Windows Presentation Foundation
Developer technologies | Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,893 questions
asked 2026-07-05T12:34:21.2533333+00:00
RobDev
451
Reputation points
commented 2026-07-07T02:39:21.9266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 49%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDN%3C/text%3E%3C/svg%3E)
Danny Nguyen (WICLOUD CORPORATION)
7,425
Reputation points Microsoft External Staff
Moderator