2,868 questions with Windows development | Windows API - Win32 tags

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2 answers One of the answers was accepted by the question author.

how to custom the control of the win32?

how to custom the control in the win32 ? I want to custom it

Windows development | Windows API - Win32
asked 2025-11-05T14:37:13.4866667+00:00
mc 6,136 Reputation points
accepted 2025-11-06T14:36:59.3733333+00:00
mc 6,136 Reputation points
1 answer

Is there any technical documentation on the internal logic of the MS IME for Japanese?

As I am still struggling to improve application compatibility with Japanese keyboard users, I find that the widely posted end user guides for "how to type Japanese" lack enough exactness to allow me to programmatically track the state of the…

Windows development | Windows API - Win32
asked 2025-11-06T12:01:18.1633333+00:00
MSDN_userSince1994_newaccount2023 0 Reputation points
answered 2025-11-06T12:01:45.9633333+00:00
Q&A Assist
2 answers One of the answers was accepted by the question author.

What does the .fptable section represent in an executable file?

After upgrading the Windows SDK to 10.0.26100.0, I noticed a new section named .fptable when dumping sections using dumpbin [executable file path]. This section did not appear before and is absent when switching back to 10.0.19041.0. I could not find any…

Windows development | Windows API - Win32
asked 2025-11-03T03:51:45.8033333+00:00
Xiao, Yuting 25 Reputation points
commented 2025-11-06T11:24:07.99+00:00
Viorel 125.1K Reputation points
1 answer

I am using D365 POS application , but i need to use the app as kiosk , and if not possible task bar need to hide permanently as par security aspects.

Hi , Its Me Ramesh Murugan, working MAF retail as IT support , Recently we launched D365 Retail Commerce POS systems, and here we required to this desktop APP as kiosk mode under domain User login, and if is not possible we need to be hidden the task…

Windows development | Windows API - Win32
asked 2025-10-31T07:21:53.6366667+00:00
Ramesh Murugan (UAE) 0 Reputation points
commented 2025-11-06T10:40:01.03+00:00
Raymond Huynh (WICLOUD CORPORATION) 2,325 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

[CFAPI] How can I know if a folder is loaded with placeholders under CF_POPULATION_POLICY_FULL mode?

Hi, We're using CFAPI to build a file sync client, we choose CF_POPULATION_POLICY_FULL so that file list under child folders can be loaded on-demand. Is there a way to know if a given folder is initialized and loaded with placeholders or not? We have a…

Windows development | Windows API - Win32
asked 2025-11-03T11:54:03.9566667+00:00
Aaron Liu 20 Reputation points Microsoft Employee
accepted 2025-11-06T10:26:51.34+00:00
Aaron Liu 20 Reputation points Microsoft Employee
0 answers

Handle leak in LSASS.exe and LsaIso.exe when using WMI

Hi there, I am currently puzzled by an issue where a piece of software we develop behaves wildly different when Credential guard is enabled or not. If credential guard is disabled, the WMI queries are responsive and the lsass-process is mostly running…

Windows development | Windows API - Win32
asked 2025-07-31T14:54:32.2833333+00:00
Brent 0 Reputation points
commented 2025-11-06T09:03:08.09+00:00
Brent 0 Reputation points
0 answers

Loading simple RTF containing an image does not release memory on subsequent loads

Consider this code it uses the MSFTEdit Richedit 50 control, every time you click the caption it will load the oom.rtf which contains an image, it displays the private bytes used by the process, (you can Task manager or Process explorer to the see the…

Windows development | Windows API - Win32
asked 2025-08-05T09:42:18.5566667+00:00
roy nelson 5 Reputation points
commented 2025-11-06T08:55:09.8666667+00:00
roy nelson 5 Reputation points
0 answers

How to implement a Windows Custom authentication packages

I want to implement a custom Windows authentication package, but I haven't found a code example or open source project to use as a reference,Could you please provide a specific project code example for reference? Or just provide how to fill in the output…

Windows development | Windows API - Win32
asked 2025-07-23T02:31:35.8533333+00:00
chengzhi ling 0 Reputation points
commented 2025-11-06T08:06:47.97+00:00
Michael Le (WICLOUD CORPORATION) 3,935 Reputation points Microsoft External Staff Moderator
0 answers

What is the correct use of the 'DwmSetIconicThumbnail' function?

I use the 'DwmSetIconicThumbnail' function to set a custom image for the taskbar icon preview layer. My question is why when the mouse is first placed on the icon for preview, the state displayed is the same as in the first chapter image, and the width…

Windows development | Windows API - Win32
asked 2025-08-21T09:11:49.64+00:00
曾子墨 0 Reputation points
commented 2025-11-06T08:00:52.4433333+00:00
Harry Vo (WICLOUD CORPORATION) 3,380 Reputation points Microsoft External Staff Moderator
0 answers

How to build an app that checks if a text file or any file is being used by another program

Hello, I want to check if a text file or any file is being used by another program, I tried to do so by chatgpt, gemini using python. But chatgpt and gemini couldn't help me(instead, they demonstrated me a thing like file lock by another program).…

Windows development | Windows API - Win32
asked 2025-07-22T15:05:57.1566667+00:00
Rahmatulloh 40 Reputation points
commented 2025-11-06T08:00:47.4933333+00:00
Michael Le (WICLOUD CORPORATION) 3,935 Reputation points Microsoft External Staff Moderator
0 answers

Purpose of signing an .msixbundle file before uploading to the Store

Hi, I'm trying to figure out the process of uploading a Windows app created using .Net MAUI from a previous vendor. The process they described to me includes creating a single msixbundle file with one x64 and one x86 msix package inside it. So far so…

Windows development | Windows API - Win32
asked 2025-08-18T07:02:46.65+00:00
Pushan Roychowdhury 0 Reputation points
commented 2025-11-06T07:59:47.2666667+00:00
Harry Vo (WICLOUD CORPORATION) 3,380 Reputation points Microsoft External Staff Moderator
0 answers

Cloud File API FAQ

Based on the introduction from Windows official documentation at https://learn.microsoft.com/en-us/windows/win32/cfapi/build-a-cloud-file-sync-engine and the ​​Cloud Mirror Sample​​, we attempted to develop a SyncEngine independently. However, we…

Windows development | Windows API - Win32
asked 2025-06-28T02:40:29.4833333+00:00
alan henry 0 Reputation points
commented 2025-11-06T07:59:03.67+00:00
Michael Le (WICLOUD CORPORATION) 3,935 Reputation points Microsoft External Staff Moderator
0 answers

CSProj file Copy function - setting a DestinationFolder based on the existence of another file

Hello Microsoft Q&A; I'm attempting to create an install package for a DLL. Previous drafts of it have forced it into a specific folder, assuming that the necessary files are there. However, testing it on another machine proved that that isn't…

Windows development | Windows API - Win32
asked 2025-08-14T11:50:10.77+00:00
Alun Buss 20 Reputation points
commented 2025-11-06T07:57:58.45+00:00
Harry Vo (WICLOUD CORPORATION) 3,380 Reputation points Microsoft External Staff Moderator
0 answers

CfApi unexpected behavior when setting a custom folder icon with desktop.ini and deffered placeholders

We have a cloud filter API service which uses the StorageProviderHydrationPolicy.Partial, StorageProviderPopulationPolicy.Full and CF_OPERATION_TRANSFER_PLACEHOLDERS_FLAGS.CF_OPERATION_TRANSFER_PLACEHOLDERS_FLAG_DISABLE_ON_DEMAND_POPULATION We are…

Windows development | Windows API - Win32
asked 2025-07-18T12:56:40.7233333+00:00
Anne Admin 21 Reputation points
commented 2025-11-06T07:55:23.0133333+00:00
Michael Le (WICLOUD CORPORATION) 3,935 Reputation points Microsoft External Staff Moderator
0 answers

Implementing serverless architecture for high-traffic apps

Interested in experiences, challenges, and best practices when using serverless functions for apps with large user bases.

Windows development | Windows API - Win32
asked 2025-08-13T09:10:53.5966667+00:00
Yash Smith 0 Reputation points
commented 2025-11-06T07:45:54.54+00:00
Harry Vo (WICLOUD CORPORATION) 3,380 Reputation points Microsoft External Staff Moderator
0 answers

How to handle exceptions thrown in GraphicsCapture.dll

(I also post this question here: https://github.com/MicrosoftDocs/winrt-api/issues/2499) I use WinRT Windows.Graphics.Capture to capture screens or windows. My code is almost identical to WebRTC's implementation. However, our customers are experiencing…

Windows development | Windows API - Win32
asked 2025-08-05T11:42:40.21+00:00
Derek Lu 0 Reputation points
commented 2025-11-06T07:43:52.43+00:00
Harry Vo (WICLOUD CORPORATION) 3,380 Reputation points Microsoft External Staff Moderator
0 answers

Inquiry: Timeline and Support for Post-Quantum Cryptography (PQC) in Schannel

Inquiry: Timeline and Support for Post-Quantum Cryptography (PQC) in Schannel I would like to know when Microsoft plans to officially support Post-Quantum Cryptography (PQC) — particularly hybrid key exchange mechanisms like Kyber — in the Schannel…

Windows development | Windows API - Win32
asked 2025-07-10T13:14:44.4233333+00:00
Subrat Kumar HOTA 0 Reputation points
commented 2025-11-06T07:41:04.65+00:00
Michael Le (WICLOUD CORPORATION) 3,935 Reputation points Microsoft External Staff Moderator
0 answers

rtl250.bpl running problem

rtl250.bpl missing to run an Rad Studio project

Windows development | Windows API - Win32
asked 2025-07-04T14:42:54.73+00:00
György Szász 0 Reputation points
commented 2025-11-06T07:37:59.47+00:00
Michael Le (WICLOUD CORPORATION) 3,935 Reputation points Microsoft External Staff Moderator
0 answers

How to show some message to user in Explorer for VFS apps based on CloudFile APIs

Creating a prototype app similar to OneDrive, where we need to show some user action message to the User when app is not running or when user has signed-out from VFS app, similar to what is shown by OneDrive. Can someone suggest how we can achieve it?

Windows development | Windows API - Win32
asked 2025-07-23T11:06:48.45+00:00
Vivek Kumar 0 Reputation points
commented 2025-11-06T07:36:29.0866667+00:00
Vivek Kumar 0 Reputation points
0 answers

Parameters to Create a Visual Studio 2022 Installer for Offline Update

I have been trying to create a Visual Studio 2022 installer to update a customer's machines that are not on the internet. I have read all the instructions and tried all of the examples (with and without layout, etc.) Tried the typical --noWeb,…

Windows development | Windows API - Win32
asked 2025-07-03T11:43:40.0566667+00:00
Bob Sanders 0 Reputation points
commented 2025-11-06T07:34:51.9533333+00:00
Michael Le (WICLOUD CORPORATION) 3,935 Reputation points Microsoft External Staff Moderator