Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,750 questions
0 answers
Why is there a problem with the DXGI_USAGE flag regardless of what I set it to?
My IDXGIFactory2::CreateSwapChainForComposition fails every time with the following error: DXGI ERROR: IDXGIFactory::CreateSwapChain: The BufferUsage field of the swapchain description contains some DXGI_USAGE flags that are not supported.…
0 answers
OpenEventLog returns RPC_S_SERVER_UNAVAILABLE on Windows 24H2
We have a tool that parse data from the eventlog. However this has stopped working to access remote servers when run Windows 24H2 machines, with either of the following errors: RPC_S_SERVER_UNAVAILABLE RPC_X_BAD_STUB_DATA The following application…
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.
2,750 questions
C++
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.
3,897 questions
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
11,258 questions
asked Nov 13, 2024, 12:07 PM
![](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(214.4, 56.00000000000001%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELT%3C/text%3E%3C/svg%3E)
Ljungberg, Ted
10
Reputation points
commented Apr 2, 2025, 5:02 PM
![](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, 47%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMD%3C/text%3E%3C/svg%3E)
Michael DeKlavon
0
Reputation points
1 answer
Filter from SetUnhandledExceptionFilter not capturing C++ exceptions from threads started with _beginthread on windows server 2022
We have found a the change in behaviour of the SetUnhandledExceptionFilter API call. On windows server 2016, this enables any uncaught C++ exceptions to be handled by a registered filter, including on our worker threads. In our filter callback we have…
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.
5,823 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.
2,750 questions
C++
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.
3,897 questions
asked Sep 11, 2024, 1:28 AM
![](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(192, 9%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMD%3C/text%3E%3C/svg%3E)
Malcolm Davey
0
Reputation points
commented Mar 24, 2025, 12:59 PM
![](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, 69%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
Schmitz Manuel (LBC)
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Restrict ciphers in WinINet during HTTP call
I have an application and I am using WinINet to make HTTP requests with TLS 1.2. However, I have noticed that WinINet is selecting weak cipher suites, specifically ECDHE-RSA-AES128-SHA256 and ECDHE-RSA-AES128-SHA, for secure connections. Since WinINet…
asked Mar 17, 2025, 4:44 PM
![](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(150.4, 64%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPR%3C/text%3E%3C/svg%3E)
Preethi Ravi
80
Reputation points
accepted Mar 24, 2025, 7:22 AM
Preethi Ravi
80
Reputation points
0 answers
NT Heap free list split mechanics
I am trying to develop my own Heap for an IoT platform, which is supposed to be an equivalent to the NT heap of Windows for my Masters degree. Does the allocator do anything special when it comes to chunk split from free-lists? In which cases the…
asked Mar 19, 2025, 11:51 AM
![](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, 32%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EE%3C/text%3E%3C/svg%3E)
ElonButNotMusk
0
Reputation points
commented Mar 24, 2025, 3:18 AM
Jeanine Zhang-MSFT
11,341
Reputation points Microsoft External Staff
1 answer
Using Arrays with Unions or Structures Not Working
I'm trying to use arrays, with CheckFeatureSupport, rather than check each feature with separate code. I am using different types of elements, so I have to use either union or struct. The problems I am having, is the array of the struct does not point to…
asked Mar 8, 2025, 3:02 AM
![](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(22.400000000000002, 4%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC8%3C/text%3E%3C/svg%3E)
CDev-8220
260
Reputation points
commented Mar 21, 2025, 6:48 AM
![](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' %3ERL%3C/text%3E%3C/svg%3E)
Roy Li - MSFT
34,276
Reputation points Microsoft External Staff
1 answer
Does UI Automation handle the Narrator "dismiss" gesture?
I'm creating a UIA provider in C++ for Narrator and would like to support any dismiss actions (if they exist). In the Narrator guide it says "Triple-tap with two fingers - Dismiss context menus (imitating the Escape key)". Does this mean the…
asked Mar 11, 2025, 2:20 AM
![](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(252.8, 35%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
rebeccab
0
Reputation points
commented Mar 19, 2025, 8:19 AM
Roy Li - MSFT
34,276
Reputation points Microsoft External Staff
0 answers
content dialog with points
This is what is happening I have an application, where you can draw on a line on a Canvas, and convert those lines in STL, and then save it on your computer private const string NanoFlowFolder = "NanoFlow"; private const int…
asked Mar 8, 2025, 7:54 PM
![](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(115.19999999999999, 28.999999999999996%, 21%)' 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)
Eduardo Gomez Romero
1,355
Reputation points
commented Mar 19, 2025, 3:32 AM
Junjie Zhu - MSFT
21,476
Reputation points Microsoft External Staff
0 answers
Formatting rules for an HTTP cookie to bypass PPP authentication
Dear, I would like to know more about the possibility to bypass PPP authentication with an HTTP cookie, as described in [MS-SSTP]. ClientHTTPCookie: In this string variable, the SSTP layer stores the HTTP cookie that will be passed to the HTTPS layer…
asked Mar 11, 2025, 5:24 PM
![](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(192, 65%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ET%3C/text%3E%3C/svg%3E)
TVB
0
Reputation points
commented Mar 19, 2025, 2:54 AM
Jeanine Zhang-MSFT
11,341
Reputation points Microsoft External Staff
1 answer
RegisterPointerInputTarget(hwnd,PT_TOUCH) returns ERROR_ACCESS_DENIED
RegisterPointerInputTarget(hwnd,PT_TOUCH) returns ERROR_ACCESS_DENIED,Here is my C++ code: int APIENTRY wWinMain(In HINSTANCE hInstance, In_opt HINSTANCE hPrevInstance, In LPWSTR lpCmdLine, …
![](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, 69%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3E11%3C/text%3E%3C/svg%3E)
3 answers
One of the answers was accepted by the question author.
If a child control covers the parent window's client area completely, why they both receive the WM_PAINT message?
Today I found that If a child window covers its parent window completely, then swipe (slide) the main window to the one side of the screen (cut by the edge of the screen), then swipe back, they both receive a WM_PAINT message. Since the child window…
asked Apr 22, 2022, 9:28 AM
燕鹏 李
301
Reputation points
answered Mar 17, 2025, 5:57 AM
![](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(128, 3%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECS%3C/text%3E%3C/svg%3E)
Cooks Simple Painting Inc
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Documentation for Earliest Versions of Direct3D
I am wondering if the original documentation for the earliest versions of Direct3D are available anywhere on the Internet? I already have the https://learn.microsoft.com/en-us/windows/win32/classic-directx-graphics link which provides documentation as…
asked Mar 13, 2025, 8:42 PM
![](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, 4%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
Matthew Armshaw
81
Reputation points
accepted Mar 14, 2025, 11:15 PM
Matthew Armshaw
81
Reputation points
1 answer
One of the answers was accepted by the question author.
How to improve image quality when painting images with Gdiplus::TextureBrush
I am currently having a problem with broken image drawing when I use Gdiplus::TextureBrush. I know that when drawing images with Graphics::DrawImage, the image still maintains the image quality. But I need to draw images with Gdiplus::TextureBrush…
asked Mar 3, 2025, 8:06 AM
![](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(307.2, 39%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECD%3C/text%3E%3C/svg%3E)
Chau Dang Ba
40
Reputation points
accepted Mar 13, 2025, 7:45 AM
Chau Dang Ba
40
Reputation points
2 answers
Where is windows.h in windows SDK
"Include" folder of Windows SDK(https://developer.microsoft.com/en-us/windows/downloads/windows-10-sdk/) does not contain "windows.h" header. Where it is?
asked Nov 12, 2020, 9:49 AM
![](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(256, 23%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIK%3C/text%3E%3C/svg%3E)
Ivan Kotov
1
Reputation point
commented Mar 11, 2025, 2:24 PM
![](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(246.4, 20%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMY%3C/text%3E%3C/svg%3E)
Milton Yarberry
0
Reputation points
0 answers
Where has windows::Win32::Foundation::BOOL been moved to?
https://crates.io/crates/windows version: 0.60.0 error[E0432]: unresolved import `windows::Win32::Foundation::BOOL` --> src\window\setup.rs:32:20 | 32 | Foundation::{BOOL, HWND}, | ^^^^ no `BOOL` in…
![](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, 3%, 26%)' 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)
1 answer
One of the answers was accepted by the question author.
createfilemapping size constraints
What is the maximum size that can be used with CreateFileMapping with INVALID_HANDLE_VALUE and SEC_RESERVE, for a virtual paged memory backed file, on windows 11 with 32 gb physical memory I can specify for example 64 gb but on windows 2016 it seems…
![](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, 4%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
How to fix "HRESULT:0x80070578 Invalid window" exception when calling store service function RequestPurchaseAsync() in a Win32 app packed as MSIX package
I'm packing a Win32 app coded by C++ into a MSIX package and trying to publish at Microsoft app store. My app has in-app products to let users purchase. The app is coded in classic Win32 API in C++ and the in-app purchase module is coded by Windows…
asked Mar 5, 2025, 3:30 AM
![](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(22.400000000000002, 72%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHW%3C/text%3E%3C/svg%3E)
Hongkun Wang
20
Reputation points
commented Mar 5, 2025, 3:02 PM
Hongkun Wang
20
Reputation points
2 answers
strsafe functions performance
hi strsafe.h functions do more checks to do string operations so I think standard string functions is faster is this correct? or should I use strsafe functions? thanks
![](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(313.6, 24%, 40%)' 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)
4 answers
IUpdate2::CopyToCache method Windows 11
It seems that this method no longer works on Windows 11: https://learn.microsoft.com/en-us/windows/win32/api/wuapi/nf-wuapi-iupdate2-copytocache Interface not registered Do you have an idea?
asked Dec 12, 2024, 12:09 PM
![](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, 84%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESF%3C/text%3E%3C/svg%3E)
Simon Fonteneau
75
Reputation points
commented Mar 4, 2025, 9:40 PM
Simon Fonteneau
75
Reputation points
0 answers
Load DLL Error: "SXS: BasepCreateActCtx() Calling csrss server failed. Status = 0xc000004b"
My program (NSIS Installer) crashed due to shell32.dll delay loading dui70.dll failed. After confirming, the dui70.dll file was not missing and I found the error message: SXS: BasepCreateActCtx() Calling csrss server failed. Status = 0xc000004b. More…
asked Mar 3, 2025, 11:03 AM
![](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(246.4, 78%, 33%)' 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)
LZL
0
Reputation points
commented Mar 4, 2025, 1:29 AM
Jeanine Zhang-MSFT
11,341
Reputation points Microsoft External Staff