1,894 questions with Windows Forms tags

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JsonReaderException exception when using Firebase streaming - VB.NET

Hi, When I try to read data from Firebase using FirebaseDatabase.net Library I receive Newtonsoft.Json.JsonReaderException exeption this code works Imports Firebase.Database Imports Firebase.Database.Query Public Class Form1 Private Async Sub…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,729 questions
asked 2024-10-18T05:54:17.3033333+00:00
Yusuf-3141 45 Reputation points
answered 2024-10-18T08:41:19.9533333+00:00
Love Text Hubs 0 Reputation points
3 answers One of the answers was accepted by the question author.

Get Results from Task.WhenAll for multiple tasks

Hi Folks, I am trying to get the results back from running multiple tasks. Each task point to a function and returns either true or false. Here is my code: var t1 = new Task(() => { CheckNC(); }) ; var t2 = new Task(() => { CheckNL(); }); var t3…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
11,641 questions
C#
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.
10,962 questions
asked 2024-10-03T10:19:58.7366667+00:00
john noble 161 Reputation points
commented 2024-10-18T07:48:56.5366667+00:00
Jiale Xue - MSFT 45,816 Reputation points Microsoft Vendor
0 answers

Microsoft Partner Center Registration Form Not Working. Can't Pay $19 Registration Fee

I was creating my account on Microsoft Partner Center to submit my software to the Windows Store and when I get to the screen to pay the $19 registration fee - it does not work. I entered all the payment information and hit the "save" button…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
5,142 questions
Microsoft Partner Center
Microsoft Partner Center
A Microsoft website for partners that provides access to product support, a partner community, and other partner services.
993 questions
Visual Studio Extensions
Visual Studio Extensions
Visual Studio: A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.Extensions: A program or program module that adds functionality to or extends the effectiveness of a program.
221 questions
Visual Studio Setup
Visual Studio Setup
Visual Studio: A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.Setup: The procedures involved in preparing a software program or application to operate within a computer or mobile device.
1,047 questions
asked 2024-10-17T16:03:30.3566667+00:00
Dania Schneider 0 Reputation points
commented 2024-10-18T05:16:46.7166667+00:00
Junjie Zhu - MSFT 18,081 Reputation points Microsoft Vendor
2 answers

Assistance Required for Resolving "System.OutOfMemoryException" in Visual Studio

Subject: Help Needed with System Out-of-Memory Issue in Visual Studio Hello Everyone, I hope you're all doing well. I'm working on a project in Visual Studio that includes a large number of forms, user controls, and images used as icons. However, I am…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,877 questions
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
5,142 questions
C#
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.
10,962 questions
asked 2024-10-03T23:49:42.52+00:00
Hoshyar Hussein 0 Reputation points
commented 2024-10-15T07:42:13.35+00:00
Jiachen Li-MSFT 31,801 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

vb.net I have folder in program path called patient files i need to open specific file using textbox1 with name of file

vb.net I have folder in program path called patient files i need to open specific pdf file using textbox1 with name of file

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
13,866 questions
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,729 questions
asked 2023-06-03T22:17:41.8+00:00
Ahmed Ramadan 20 Reputation points
accepted 2024-10-12T15:43:45.2433333+00:00
Ahmed Ramadan 20 Reputation points
0 answers

Clickonce setup app crashes

on a windows 7,64 bit, Sp1 can a C#.net winform application build on framework 4.8 be installed ? it was possible to install framework 4.8 on windows 7 sp1, 64 bit pc the clickonce setup also ran sucsesfully. but application starts and stops…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
asked 2024-10-10T15:46:30.5933333+00:00
Sushil Agarwal 406 Reputation points
commented 2024-10-11T12:31:44.6133333+00:00
Sushil Agarwal 406 Reputation points
2 answers

How to Fix: Method "Form1_Load" not Found

just got started using visual basic and I don't know how to fix this

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,729 questions
asked 2024-09-27T04:32:34.6266667+00:00
Kaz 0 Reputation points
commented 2024-10-10T06:45:03.8466667+00:00
Jiachen Li-MSFT 31,801 Reputation points Microsoft Vendor
2 answers

GUI using Windows Forms and Powershell

I am building a GUI using Windows Forms in Powershell. I have created 4 Radio Buttons with a line of text to the right of each button to describe the purpose . The text is long (22 Characters) and it is being wrapped onto two lines when I want it to…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
asked 2024-09-08T18:03:07.94+00:00
Dave Turnbull 20 Reputation points
commented 2024-10-10T01:59:21.4433333+00:00
Jiale Xue - MSFT 45,816 Reputation points Microsoft Vendor
2 answers

VB.NET designer crashes ... error ... The Base class 'System.Void' cannot be designed. Cannot access forms.

The base class 'System.Void' cannot be designed.The base class 'System.Void' cannot be designed.The base class 'System.Void' cannot be designed. The base class 'System.Void' cannot be designed.

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,729 questions
asked 2024-10-04T20:44:27.76+00:00
Randy Glover 0 Reputation points
commented 2024-10-10T01:16:40.7166667+00:00
Jiachen Li-MSFT 31,801 Reputation points Microsoft Vendor
2 answers

datagridview row with a combobox column not inserting in database

Hi! I added a DataGridView to my windows form. The grid is data bound and one of it's columns is of type DataGridViewComboBoxColumn and the column is also data bound. This datagrid is connected to another datagrid in parent-child relationship. Following…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,877 questions
asked 2024-10-04T16:05:12.2066667+00:00
Shishir Wahi 20 Reputation points
edited a comment 2024-10-07T14:20:10.48+00:00
Shishir Wahi 20 Reputation points
2 answers One of the answers was accepted by the question author.

How to make start menu transparent in Win11.

The ui used by Windows11 feels very special, but I have been unable to achieve it by using the method of setting transparency before. May I ask, what api should I use to set transparency of Windows11 start menu?

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
Windows API - Win32
Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,634 questions
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
9,723 questions
asked 2022-12-10T14:28:31.033+00:00
XUWANBIN 201 Reputation points
commented 2024-10-05T08:55:52.6866667+00:00
gluetheknot 0 Reputation points
3 answers One of the answers was accepted by the question author.

Using SQL Server Read/Write Image Ever Day With A Table

I've a case that need to save Image in database, than user can search/upload site(DB) to site(DB) ever day from winform. Every image size average 250kb - 350kb, The total usage with image perhaps growth 110GB/year without delete form database. I'll…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
asked 2024-04-25T12:58:15.02+00:00
LRC1006 20 Reputation points
accepted 2024-09-29T07:43:20.2166667+00:00
LRC1006 20 Reputation points
0 answers

High DPI with embedded WinForm UserControl in a Win32 application.

Apologies in advance as this question is a long shot and somewhat obscure. I have a C++ application I maintain. It embeds two .NET 4.x WinForms User Controls as panels in its Win32 window with: My_Control.CreateInstance(L"My…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
5,427 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,877 questions
Windows API - Win32
Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,634 questions
.NET CLI
.NET CLI
A cross-platform toolchain for developing, building, running, and publishing .NET applications.
337 questions
asked 2024-09-27T11:30:11.23+00:00
Robinson 146 Reputation points
commented 2024-09-27T14:29:38.39+00:00
Robinson 146 Reputation points
1 answer

When calling FlashWindowEx, Window behaves abnormally in Windows 11.

We would like to inquire about an abnormal behavior observed during the development of a Windows-based application. This was working normally in Windows 10, but in Windows 11, abnormal behavior has been confirmed when calling the Window API as shown…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
Windows API - Win32
Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,634 questions
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
9,723 questions
asked 2024-09-24T09:32:40.85+00:00
윤기 오 0 Reputation points
commented 2024-09-27T06:43:23.3566667+00:00
Jiale Xue - MSFT 45,816 Reputation points Microsoft Vendor
2 answers

Wenn ich eine Bitmap an ein Property eines UserControl übergeben will kommt es zum Fehler

Wenn ich in einer Anwendung eine Bitmap an mein eingebundenes UserControl übergeben möchte kommt es seit ich das UserControl unter NET 8.0 erstelle, zu folgendem Fehler Unter NET 4.0 funktionierte das Programm noch. Warum? Danke für die Hilfe, Gruß…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
asked 2024-09-17T11:31:06.94+00:00
Klaus Ruttkowski 0 Reputation points
answered 2024-09-20T12:11:13.33+00:00
Klaus Ruttkowski 0 Reputation points
2 answers

All Toolbox Options Greyed in Visual Studio 2022

I have recently upgraded my WinForm C# application from .Net 4.7.x to .Net 6 I wish to make a change to one of the Forms, however when I try to add any control to any form, I find that all options are greyed out in the Toolbox, so I can modify any of the…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
C#
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.
10,962 questions
asked 2024-04-20T11:10:48.4966667+00:00
Tony Hedge 6 Reputation points
answered 2024-09-19T19:27:22.0166667+00:00
JohnKarajim 0 Reputation points
1 answer

C# windows form crash

Hi, I'm writing my Windows forms project in C# using the latest versione available of Visual Studio Community (17.9.3). The project manages a Modbus TCP client connection using the NModbus library to a proprietary and tested server. The connection is…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
C#
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.
10,962 questions
asked 2024-03-13T10:22:08.48+00:00
Isacco Simonini 5 Reputation points
commented 2024-09-13T14:27:01.4466667+00:00
CH Abdullah 0 Reputation points
1 answer

Burn the files on CD with the full directory tree structure.

The application built on C# Winforms, Framework 4.6.2 and there is the need to burn all the files and folders from the root folder, including itself to CD. The entry parameter is the source root folder path. The folder contains inside all of the needed…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
C#
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.
10,962 questions
asked 2024-08-22T11:26:40.8333333+00:00
Dani_S 3,786 Reputation points
commented 2024-09-05T18:31:57.4066667+00:00
Bruce (SqlWork.com) 65,576 Reputation points
2 answers

Error calling a Web API with self-signed ClientCertificate using HttpClient in .NET Core (IIS and Winforms using C#)

We are currently migrating our code from .NET 4.7.2 to NET 7 (.Net Core). Everything has been moved forward except one project that has to consume another company’s WebApi rest web service. When we were forced to interact with this company they were…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,573 questions
C#
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.
10,962 questions
ASP.NET API
ASP.NET API
ASP.NET: A set of technologies in the .NET Framework for building web applications and XML web services.API: A software intermediary that allows two applications to interact with each other.
338 questions
asked 2023-09-03T21:58:31.0133333+00:00
Shane Vickery 5 Reputation points
answered 2024-09-05T12:43:52.1166667+00:00
Greyson Heun 0 Reputation points
1 answer

Take a few seconds to open Dialog Box in Windows Form Application

I have a C# project, which is a Windows Form application. When clicking a button and opening dialog box, it takes a few seconds to open. How can I improve this? If needed, you can help me by having remote access to my PC.

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,894 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,877 questions
C#
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.
10,962 questions
asked 2024-08-30T19:31:03.38+00:00
Phillip Stewart 0 Reputation points
commented 2024-09-03T02:04:30.97+00:00
Jiale Xue - MSFT 45,816 Reputation points Microsoft Vendor