Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,492 questions
2 answers
One of the answers was accepted by the question author.
How to create components with caller information
Currently app_a creates instance app_b by using CoCreateInstance, but how does app_b know which app created it? Is there a function equivalent to CoCreateInstance and can pass input parameters？
Windows API - Win32
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.
3,608 questions
asked 2020-09-24T09:09:48.783+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(96, 14.000000000000002%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYW%3C/text%3E%3C/svg%3E)
youqiang wu
21
Reputation points
accepted 2020-09-28T02:21:58.153+00:00
youqiang wu
21
Reputation points
1 answer
One of the answers was accepted by the question author.
Missing VfW methods.
In which DLL are the following VfW methods (Vfw.h) located? /**************************************************************************** * * call these to start stop using VfW from your app. * …
![](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, 7.000000000000001%, 26%)' 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)
3 answers
One of the answers was accepted by the question author.
Read S.M.A.R.T attributes with win32
Hello, I have to develop a win32 project that reads all S.M.A.R.T attributes of a fixed disk. I found the following reply and tried it. read-smart-data-from-hdd But not all attributes are displayed. Is there an MS article or another sample code…
asked 2020-09-26T20:11:17.07+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(131.20000000000002, 56.00000000000001%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMM%3C/text%3E%3C/svg%3E)
MAORVERED MAORVERED
21
Reputation points
accepted 2020-09-27T15:17:03.233+00:00
MAORVERED MAORVERED
21
Reputation points
1 answer
ScreenCapture with filter windows
If I want to collect desktop data and filter some windows, what API can Microsoft provide? The magnification API was used before, but the key API MagSetImageScalingCallback is no longer maintained, and there is a memory leak problem with this API, which…
asked 2020-08-28T07:21:56.07+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(12.8, 24%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJL%3C/text%3E%3C/svg%3E)
JunPing Li
1
Reputation point
commented 2020-09-27T05:31:32.17+00:00
Rita Han - MSFT
2,161
Reputation points
2 answers
One of the answers was accepted by the question author.
How to connect AD with LDAPS protocol with DirectoryContext or NtdsApi?
According to following article, setup a LADPS environment: Step by Step Guide to Setup LDAPS on Windows Server After that, I hope to connect the forest by LDAPS protocol, but I found that the .Net class “DirectoryContext” doesn’t provide any…
asked 2020-09-18T12:13:45.91+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(284.8, 4%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EF%3C/text%3E%3C/svg%3E)
FelixChen
21
Reputation points
commented 2020-09-25T06:50:56.227+00:00
Rita Han - MSFT
2,161
Reputation points
1 answer
WinDNS header/library inconsistency in 32 bit
It seems there's an inconsistency between the compiled DnsAPI.lib library and the windns.h header when compiling in 32 bit. Specifically the issue is with calling conventions: The compiled library is using the __stdcall calling convention, while the…
asked 2020-09-24T08:49:25.033+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(41.6, 68%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFJ%3C/text%3E%3C/svg%3E)
Frederik Juul
1
Reputation point
commented 2020-09-25T01:25:20.817+00:00
Rita Han - MSFT
2,161
Reputation points
0 answers
Some DNS API functions cause LNK2019 errors in x86 (32 bit) builds
Some DNS API functions (such as DnsServiceConstructInstance(), DnsServiceFreeInstance(), DnsServiceRegister(), DnsServiceDeRegister() and DnsServiceRegisterCancel()) are declared without the WINAPI modifier, causing them to use __cdecl instead of…
asked 2020-09-24T04:01:57.417+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, 71%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDB%3C/text%3E%3C/svg%3E)
Davide Beatrici
1
Reputation point
commented 2020-09-24T06:02:16.77+00:00
Rita Han - MSFT
2,161
Reputation points
2 answers
Outdated Windows 10 SDK default option for Desktop development with C+
Hi, I have a little curiosity: why is "Windows 10 SDK 18362" the default option when selecting "Desktop development with C++"? The most updated version should be 19041, right?
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
4,814 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.
2,492 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.
3,608 questions
asked 2020-09-19T13:08:24.333+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(137.6, 53%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAB%3C/text%3E%3C/svg%3E)
ALESSANDRO BELLIA
1
Reputation point
commented 2020-09-23T06:23:37.227+00:00
Rita Han - MSFT
2,161
Reputation points
2 answers
SetPerTcpConnectionEstats
I have been using this API function a lot on older versions of windows to collect per connection tcp statistics. Its behaviour seems to have changed of late. Previously disabling and re-enabling statistics would reset the counters for the statistics.…
asked 2020-07-27T14:25:57.127+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(92.8, 93%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAT%3C/text%3E%3C/svg%3E)
Andrew Turnbull
1
Reputation point
commented 2020-09-22T14:36:30.007+00:00
Andrew Turnbull
1
Reputation point
0 answers
Using EvtQuery API in parallel threads is blocking each other
I am trying to read evtx logs from different machines using EvtQuery API. Each thread will be querying a machine in parallel. But I can observe that all the threads are blocked when the EvtQuery API is called due to an internal critical section wait.…
![](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(294.40000000000003, 71%, 38%)' 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
One of the answers was accepted by the question author.
[TSF-IME] Page size
Hi, i got a question about Text Service Framework, the pages /pagesize and selection index. Do i understand it right that based the the selected candidate the page is set ? Is there a way to get all candidates of the currentpage and/or set a…
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.
2,492 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.
3,608 questions
asked 2020-09-05T20:16:50.627+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(150.4, 13%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOS%3C/text%3E%3C/svg%3E)
Oliver Sradnick
21
Reputation points
commented 2020-09-20T15:47:06.317+00:00
Oliver Sradnick
21
Reputation points
1 answer
One of the answers was accepted by the question author.
Why sync root folder should be Indexed (cfapi)?
CloudMirror sample checks that the sync root folder is indexed. Why is this required? What features will be missing if the sync root is not indexed?
![](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, 46%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EW%3C/text%3E%3C/svg%3E)
1 answer
winsock send function in non blocking mode give error 10022
I am trying to create non blocking socket for ssl communication but send function giving me error:10022.so how to fix it?
asked 2020-09-11T13:00:46.2+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(268.8, 43%, 36%)' 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)
ashutosh singh
1
Reputation point
commented 2020-09-17T07:15:38.793+00:00
Rita Han - MSFT
2,161
Reputation points
2 answers
AVI file with inverted image
I've used the sample from https://video2.skills-academy.com/en-us/windows/win32/medfound/tutorial--using-the-sink-writer-to-encode-video and modified it to create as avi file instead of mp4. This works as desired if the input FPS is 30. If I modify it to…
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.
2,492 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.
3,608 questions
asked 2020-09-14T07:34:14.15+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(83.2, 21%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESD%3C/text%3E%3C/svg%3E)
Shyamala Devi
1
Reputation point
commented 2020-09-16T08:17:08.93+00:00
Rita Han - MSFT
2,161
Reputation points
2 answers
Should SelectObject be called for each object type after drawing with GDI?
In this MSDN code example, SelectObject(hdc,original) is called only once at the end of the paint code. I guess it replaces the original pen. But it appears that it doesn't replace the original brush. So is that unnecessary? I was under the…
asked 2020-09-12T02:02:37.467+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, 14.000000000000002%, 19%)' 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)
loop123123
1
Reputation point
commented 2020-09-16T08:13:12.727+00:00
Rita Han - MSFT
2,161
Reputation points
3 answers
One of the answers was accepted by the question author.
WMI C++ Application problem WmiMonitorDescriptorMethods WmiGetMonitorRawEEdidV1Block
// ConsoleApplication1.cpp : Defines the entry point for the console application. // include "stdafx.h" define _WIN32_DCOM include <iostream> using namespace std; include <comdef.h> include <Wbemidl.h> pragma comment(lib,…
asked 2020-09-15T09:24:38.743+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(294.40000000000003, 50%, 38%)' 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)
Robins.Lee
21
Reputation points
answered 2020-09-16T03:10:33.247+00:00
Robins.Lee
21
Reputation points
1 answer
One of the answers was accepted by the question author.
SymFindFileInPathW returns mismatched modules and symbols
According to https://video2.skills-academy.com/en-us/windows/win32/api/dbghelp/nf-dbghelp-symfindfileinpathw BOOL IMAGEAPI SymFindFileInPathW( HANDLE hprocess, PCWSTR SearchPath, PCWSTR …
asked 2020-09-10T15:51:52.513+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(204.8, 38%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EP%3C/text%3E%3C/svg%3E)
p_jaholkowski
41
Reputation points
accepted 2020-09-15T10:31:03.693+00:00
p_jaholkowski
41
Reputation points
1 answer
cfapi CF_CALLBACK_TYPE_FETCH_PLACEHOLDERS calls back repeatedly
Bringing this here from Stack... I'm working with the cfapi and are attempting to extend the sample project available here https://github.com/Microsoft/Windows-classic-samples/tree/master/Samples/CloudMirror Specifically we are looking to implement…
asked 2020-08-14T09:50:38.29+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, 48%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECW%3C/text%3E%3C/svg%3E)
Chris Wheeler
1
Reputation point
commented 2020-09-15T05:31:56.617+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(208, 85%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EW%3C/text%3E%3C/svg%3E)
WebDAV
106
Reputation points
1 answer
One of the answers was accepted by the question author.
Using SetParent to dock a window doesn't work on application with uiAccess=true
I'm trying to create a magnification program for accessibility purposes. I want this magnification program to magnify the desktop but also display a docked application that doesn't get magnified. To achieve this I create a TopMost Form set to…
asked 2020-08-21T07:09:00.64+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(185.6, 31%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJB%3C/text%3E%3C/svg%3E)
Johannes Bergman
41
Reputation points
commented 2020-09-14T08:47:11.613+00:00
Johannes Bergman
41
Reputation points
0 answers
How to hide the OS rendered IME window in TSF(not IMM32) for games running with exclusive fullscreen mode?
For any games(like World of Warcraft Classic) running with exclusive fullscreen mode, the IME Candidate List window has to be renderer by the game manually. To interact with IME in Windows, Windows provide two framework, IMM32 and TSF. IMM32 is for…
asked 2020-08-02T12:28:51.97+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(256, 3%, 34%)' 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)
Ryan Cheung
1
Reputation point
commented 2020-09-10T23:50:59.533+00:00
Ryan Cheung
1
Reputation point