2,894 questions with Windows development | Windows API - Win32 tags

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How to compile C program developed with Microsoft Visual C/C++ 6.0 in Linux system

I need to compile C program developed with Microsoft Visual C/C++ 6.0 in Linux system? Thanks, Fen

Windows development | Windows API - Win32
asked 2025-12-12T13:42:37.8166667+00:00
Yang, Fen - BLS CTR 0 Reputation points
answered 2025-12-12T13:43:46.82+00:00
Q&A Assist
2 answers

How Do I Retarget a C++ Application?

Hello Folks: Developing on Windows 10 Pro on the Extended Security Update program, VS 2019 Community Version 16.11.53, all C++. I'm getting the following error. error MSB8020: The build tools for v143 (Platform Toolset = 'v143') cannot be…

Windows development | Windows API - Win32
asked 2025-12-02T16:49:16.36+00:00
Larry 20 Reputation points
commented 2025-12-12T08:02:42.1433333+00:00
Jay Pham (WICLOUD CORPORATION) 3,230 Reputation points Microsoft External Staff Moderator
2 answers

Update app from code

Hello https://dori-uw-1.kuma-moon.com/en-us/windows/msix/store-developer-package-update Is it possible to check if an update is available, and download/install it in .Net Framework WinForms apps? (full trust store packaged) Thanks in advance.

Windows development | Windows API - Win32
asked 2025-12-02T13:27:03.8766667+00:00
Halifax Crosby 140 Reputation points
commented 2025-12-12T07:20:00.8966667+00:00
Halifax Crosby 140 Reputation points
3 answers

4625- Security Microsoft Unified Security Protocol Provider SChannel

While calling sslStream.AuthenticateAsServer(this.serverCertificate, true, SslProtocols.Tls12, false) method throwing below Audit information error An account failed to log on. Subject: Security ID: NULL SID Account Name: - Account Domain: - Logon…

Windows development | Windows API - Win32
asked 2025-12-08T04:59:32.35+00:00
Radhika Sridhar 20 Reputation points
answered 2025-12-11T11:21:31.4966667+00:00
Radhika Sridhar 20 Reputation points
2 answers

Is it possible in cmd to set the character cell size to exactly 1x1 pixels?

Hello, I am experimenting with cmd and I would like to know if it is possible to configure the console font so that each character cell is rendered as exactly 1x1 pixels. I have already tried several approaches, but none of them achieved this goal: …

Windows development | Windows API - Win32
asked 2025-12-10T21:06:49.4366667+00:00
Anton Sumak 0 Reputation points
answered 2025-12-11T09:10:45.2566667+00:00
Jack Dang (WICLOUD CORPORATION) 5,795 Reputation points Microsoft External Staff Moderator
1 answer

Is the MsRdpClient11NotSafeForScripting::SendKeys() method broken or disabled on Windows11? All the other API calls work except this one. I am bit encoding the fields for the lParam, and have tried both bool and VARIANT_BOOL to indicate keys up/down.

I am using the MsRdpClient11NotSafeForScripting class to write a C++ RDP client. All the other needed functions/methods work except SendKeys(). I need to know if it is known broken / disabled on Windows 11 method broken or disabled on Windows11? I use a…

Windows development | Windows API - Win32
asked 2025-11-05T06:46:05.5233333+00:00
R Hartley 0 Reputation points
commented 2025-12-11T05:35:31.0933333+00:00
R Hartley 0 Reputation points
2 answers One of the answers was accepted by the question author.

Is There a Practical Size/Page Limit for Print Spooling in Win32 Printing?

I'm building a WinUI2 (WinRT/C++) application that includes a custom printing workflow. Instead of relying on the system-provided Printer Dialog, we're generating our own UI and sending print jobs directly using Win32 APIs. To print, I'm obtaining the…

Windows development | Windows API - Win32
asked 2025-12-04T07:12:48.4233333+00:00
Shyam Butani 445 Reputation points
accepted 2025-12-10T12:36:35.8666667+00:00
Shyam Butani 445 Reputation points
3 answers

rescap Capability

Hello My .NET Framework WinForms msix packaged app has declared runFullTrust Capability. It works fine on my end when accessing the Internet to send/receive data. But I've seen many similar apps on the store that declare both runFullTrust and…

Windows development | Windows API - Win32
asked 2025-12-08T17:36:30.2433333+00:00
Halifax Crosby 140 Reputation points
edited an answer 2025-12-09T13:58:32.9966667+00:00
Darran Rowe 2,531 Reputation points
2 answers

How to obtain information about CPU, RAM, GPU

I have been making a small tool recently One of the functions requires obtaining the current CPU, RAM, GPU usage rate of the system How can I currently obtain the usage rate of CPU, RAM, and GPU? Are there any APIs available? My tool is compatible with…

Windows development | Windows API - Win32
asked 2025-06-09T09:32:24.4133333+00:00
zhang_wang_hong 3,830 Reputation points Volunteer Moderator
commented 2025-12-09T12:54:47.8733333+00:00
zhang_wang_hong 3,830 Reputation points Volunteer Moderator
2 answers One of the answers was accepted by the question author.

msix Registry.dat usage

Hello My desktop Framework WinForms packaged app has a Registry.dat to have some preloaded entries. However, adding these keys to my Registry.dat which only packaged app has access to it, will have any effect? Thanks. HKLM\SOFTWARE\Microsoft\Internet…

Windows development | Windows API - Win32
asked 2025-12-08T17:45:56.73+00:00
Halifax Crosby 140 Reputation points
commented 2025-12-09T06:44:27.13+00:00
Jack Dang (WICLOUD CORPORATION) 5,795 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

How to download CertPurge?

Hello I need to download the CertPurge: https://techcommunity.microsoft.com/blog/coreinfrastructureandsecurityblog/pki-basics-how-to-manage-the-certificate-store/259419 But I get AuthorizationFailure error, how to get it? Thanks in advance.

Windows development | Windows API - Win32
asked 2025-12-02T13:21:01.2166667+00:00
Halifax Crosby 140 Reputation points
accepted 2025-12-09T06:12:36.3533333+00:00
Halifax Crosby 140 Reputation points
1 answer

Program crash when creating MagnificationAPI window in Windows 11

While executing the following statement, programs on the target computer crash without warning and without a runtime error pop-up box. hwndMag = CreateWindow(WC_MAGNIFIER, TEXT("IdtScreenMagnifierMag"), WS_CHILD | MS_CLIPAROUNDCURSOR |…

Windows development | Windows API - Win32
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.
4,026 questions
asked 2024-07-05T04:07:40.6+00:00
RL Chen 265 Reputation points
commented 2025-12-09T05:17:17.6166667+00:00
RL Chen 265 Reputation points
2 answers

Automatic launch of non-UWP application in kiosk mode with autologon

I created an executable (app.exe) that needs to be started automatically on a kiosk-mode workstation with autologon enabled. Issues encountered: app.exe does not run correctly under non-administrator accounts: the launch fails or the application freezes…

Windows development | Windows API - Win32
asked 2025-11-08T23:10:33.55+00:00
dev 0 Reputation points
commented 2025-12-09T03:30:37.5266667+00:00
Danny Nguyen (WICLOUD CORPORATION) 5,400 Reputation points Microsoft External Staff Moderator
1 answer

How can I enable my software to trigger cloud filter placeholder retrieval?

I have a cloud filter provider which is running just fine, however I have noticed that if I programmatically traverse directories, the placeholders aren't fetched - it's only when doing it using explorer or command line. Is there something I can do to…

Windows development | Windows API - Win32
asked 2025-12-03T02:34:54.3666667+00:00
sysadmin 40 Reputation points
commented 2025-12-08T23:42:06.9333333+00:00
sysadmin 40 Reputation points
1 answer

[CFAPI] file handle from CfGetWin32HandleFromProtectedHandle cannot be used to read data.

Hi, I'm trying to implement a sync logic to upload local change to cloud. In this case I need to open local file for read, but it does not work as expected: Get a protected handle protected_handle from CfOpenFileWithOplock, works fine; Get a win32…

Windows development | Windows API - Win32
asked 2025-12-03T09:20:21.8733333+00:00
Aaron Liu 0 Reputation points
edited a comment 2025-12-08T10:18:50.1366667+00:00
Damien Pham (WICLOUD CORPORATION) 1,425 Reputation points Microsoft External Staff Moderator
2 answers

How to install legacy Visual Studio 6 (with VB6) on my computer today?

I need to find a CD image to install Visual Basic 6 on my Win11. I can't find the ISO-image download.

Windows development | Windows API - Win32
asked 2025-10-04T13:08:28.38+00:00
Lars Ottosson 0 Reputation points
commented 2025-12-08T09:27:30.4666667+00:00
Harry Vo (WICLOUD CORPORATION) 3,585 Reputation points Microsoft External Staff Moderator
1 answer

How can I implement macOS-style modifier + trackpad zoom (system-wide magnifier) on Windows using Win32/C#?

I am trying to recreate the macOS accessibility zoom feature on Windows. On macOS, holding Control and performing a two-finger scroll on the trackpad triggers a system-wide zoom: The entire screen zooms The zoom centers on the mouse cursor Moving the…

Windows development | Windows API - Win32
asked 2025-12-06T06:38:33.41+00:00
ketan sharma 0 Reputation points
answered 2025-12-08T08:56:00.6466667+00:00
Jack Dang (WICLOUD CORPORATION) 5,795 Reputation points Microsoft External Staff Moderator
2 answers

D2D DWrite encountered error 0x88985001 while loading a custom font. Repeated debugging attempts failed to pinpoint the issue. Please help me.

I am attempting to add a TTC font to an IDWriteFontCollection and have chosen to register a custom loader using RegisterFontCollectionLoader(collectionLoader);. The font file is located within a resource file (.rc). The font file format is .ttf, but…

Windows development | Windows API - Win32
asked 2025-08-27T06:42:25.4966667+00:00
RL Chen 265 Reputation points
recommended 2025-12-08T07:50:05.3466667+00:00
Harry Vo (WICLOUD CORPORATION) 3,585 Reputation points Microsoft External Staff Moderator
4 answers One of the answers was accepted by the question author.

How to Enable/Disable audio devices

Hi, I want to enable/disable audio devices listed in sound control panel (mmsys.cpl) but either through programmatically or through any power shell commands/scripts or windows internal utilities(pnputil, devcon). I tried using WMI APIs, Core Audio APIs,…

Windows development | Windows API - Win32
Windows for business | Windows Client for IT Pros | User experience | Other
asked 2024-03-14T09:13:27.3433333+00:00
Ramashankar 35 Reputation points
commented 2025-12-08T05:59:45.5933333+00:00
Ramashankar 35 Reputation points
1 answer

Will using RegisterHotKey in a WinUI 3 packaged app pass Microsoft Store certification?

Hello, I am currently developing a WinUI 3 packaged app that I plan to distribute through the Microsoft Store. My app would benefit from global keyboard shortcuts, and I am considering using the Win32 API RegisterHotKey to implement this…

Windows development | Windows API - Win32
asked 2025-12-06T13:05:03.7066667+00:00
Grape Juice 0 Reputation points
answered 2025-12-06T13:05:13.7233333+00:00
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