2,896 questions
2,896 questions with Windows development | Windows API - Win32 tags
1 answer
CredentialsChanged() is failing with error -2147019873 in CredentialProvider
We are using CredentialProvider in C++ for Windows, On calling OnCredentialsChanged(), Sometimes CredentialsChanged() is failing with HRESULT hr -2147019873.
Windows development | Windows API - Win32
asked 2025-12-17T07:10:19.04+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(249.60000000000002, 14.000000000000002%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESA%3C/text%3E%3C/svg%3E)
SHARVANI ATCHULA
0
Reputation points
edited the question 2025-12-17T16:33:40.37+00:00
Mike Bowen
2,056
Reputation points Microsoft Employee
Moderator
1 answer
One of the answers was accepted by the question author.
how to get the best font for character?
If I use Paint and write some text the Paint will use the best font . and I will set the fontSize = 8 if I write Thai and the font will be Leelawadee UI and if I write Korea the font will be Malgun Gothic and if I write other it will use the best…
Windows development | Windows API - Win32
2,896 questions
asked 2025-12-17T01:14:30.4833333+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(310.4, 2%, 40%)' 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)
mc
6,416
Reputation points
commented 2025-12-17T05:08:24.1633333+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(80, 57.00000000000001%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAW%3C/text%3E%3C/svg%3E)
Anderson Will
0
Reputation points
1 answer
assembly error
An error occurred while signing: Failed to sign bin\Release\app.publish\PrestonTrans.exe. SignTool Error: No certificates were found that met all the given criteria.
Windows development | Windows API - Win32
2,896 questions
asked 2025-09-07T13:33:51.7833333+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(172.8, 91%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERD%3C/text%3E%3C/svg%3E)
ron desanti
0
Reputation points
commented 2025-12-16T09:55:32.4766667+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(105.60000000000001, 86%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
Harry Vo (WICLOUD CORPORATION)
3,820
Reputation points Microsoft External Staff
Moderator
1 answer
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
2,896 questions
asked 2025-12-10T21:06:49.4366667+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, 35%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
Anton Sumak
0
Reputation points
commented 2025-12-16T08:06:57.5566667+00:00
Harry Vo (WICLOUD CORPORATION)
3,820
Reputation points Microsoft External Staff
Moderator
2 answers
Can I link to the MFC 11 toolset in Visual Studio 2022?
I am trying to get some legacy code building in VS 2022 as a first step toward future maintainability. This code links to a third-party library that uses MFC. The newest version of that third-party library that is available links to version 11 of MFC…
Windows development | Windows API - Win32
2,896 questions
asked 2025-12-15T21:47:22.7633333+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(102.4, 98%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWS%3C/text%3E%3C/svg%3E)
Wayne Steinhour
0
Reputation points
answered 2025-12-16T07:44:34.32+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(19.2, 83%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EML%3C/text%3E%3C/svg%3E)
Michael Le (WICLOUD CORPORATION)
6,925
Reputation points Microsoft External Staff
Moderator
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
2,896 questions
asked 2025-12-08T04:59:32.35+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(310.4, 13%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERS%3C/text%3E%3C/svg%3E)
Radhika Sridhar
20
Reputation points
commented 2025-12-12T19:01:43.8333333+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(70.4, 63%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDA%3C/text%3E%3C/svg%3E)
David AVILA
5
Reputation points
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
2,896 questions
asked 2025-12-02T16:49:16.36+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(64, 23%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL%3C/text%3E%3C/svg%3E)
Larry
20
Reputation points
commented 2025-12-12T08:02:42.1433333+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, 40%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
Jay Pham (WICLOUD CORPORATION)
3,305
Reputation points Microsoft External Staff
Moderator
1 answer
Update app from code
Hello https://learn.microsoft.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
2,896 questions
asked 2025-12-02T13:27:03.8766667+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(230.39999999999998, 82%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHC%3C/text%3E%3C/svg%3E)
Halifax Crosby
140
Reputation points
commented 2025-12-12T07:20:00.8966667+00:00
Halifax Crosby
140
Reputation points
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
2,896 questions
![](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(310.4, 59%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERH%3C/text%3E%3C/svg%3E)
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
2,896 questions
asked 2025-12-04T07:12:48.4233333+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, 70%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESB%3C/text%3E%3C/svg%3E)
Shyam Butani
445
Reputation points
accepted 2025-12-10T12:36:35.8666667+00:00
Shyam Butani
445
Reputation points
2 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
2,896 questions
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
![](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, 13%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDR%3C/text%3E%3C/svg%3E)
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
2,896 questions
asked 2025-06-09T09:32:24.4133333+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, 57.99999999999999%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZ%3C/text%3E%3C/svg%3E)
zhang_wang_hong
3,910
Reputation points
Volunteer Moderator
commented 2025-12-09T12:54:47.8733333+00:00
zhang_wang_hong
3,910
Reputation points
Volunteer Moderator
1 answer
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
2,896 questions
asked 2025-12-08T17:45:56.73+00:00
Halifax Crosby
140
Reputation points
commented 2025-12-09T06:44:27.13+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(201.6, 1%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJD%3C/text%3E%3C/svg%3E)
Jack Dang (WICLOUD CORPORATION)
6,140
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
2,896 questions
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
2,896 questions
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.
4,027 questions
![](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(32, 44%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERC%3C/text%3E%3C/svg%3E)
1 answer
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
2,896 questions
asked 2025-11-08T23:10:33.55+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(211.20000000000002, 70%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED%3C/text%3E%3C/svg%3E)
dev
0
Reputation points
commented 2025-12-09T03:30:37.5266667+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)
5,440
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
2,896 questions
![](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(278.4, 95%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
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
2,896 questions
asked 2025-12-03T09:20:21.8733333+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(179.20000000000002, 16%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAL%3C/text%3E%3C/svg%3E)
Aaron Liu
0
Reputation points
edited a comment 2025-12-08T10:18:50.1366667+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)
1,430
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
2,896 questions
asked 2025-10-04T13:08:28.38+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(179.20000000000002, 86%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELO%3C/text%3E%3C/svg%3E)
Lars Ottosson
0
Reputation points
commented 2025-12-08T09:27:30.4666667+00:00
Harry Vo (WICLOUD CORPORATION)
3,820
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
2,896 questions
asked 2025-12-06T06:38:33.41+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(211.20000000000002, 92%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKS%3C/text%3E%3C/svg%3E)
ketan sharma
0
Reputation points
answered 2025-12-08T08:56:00.6466667+00:00
Jack Dang (WICLOUD CORPORATION)
6,140
Reputation points Microsoft External Staff
Moderator