3,978 questions
1 answer
One of the answers was accepted by the question author.
Integrate CMDITabBar into MDI MFC app
I would like to use CMDITabBar (from WinMerge) into a MFC MDI test application. Here is the test app: https://1drv.ms/u/c/dedcb6ef190b8fd4/ESppBUOCT-hJog-OyL43QXsBooSUM0liWkY9PHAeQo1FBw?e=BeSIzC The code for integration (CMainFrame header): protected: …
Developer technologies | C++
asked 2025-07-10T10:45:15.25+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(297.6, 64%, 38%)' 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)
Flaviu_
1,031
Reputation points
commented 2025-07-11T16:39:16.47+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(163.2, 69%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVD%3C/text%3E%3C/svg%3E)
Varsha Dundigalla(INFOSYS LIMITED)
155
Reputation points Microsoft External Staff
1 answer
Crash dumps are not created sporadically.
We have separate process built by us on utilizing the WER in the situation and creating the dump file in the path we configure. But sporadically, we see that WER has not reproted the issue and dump files are not created. Sometimes WER has reported and…
Developer technologies | C++
3,978 questions
asked 2025-06-06T09:26:21.51+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(198.4, 63%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOV%3C/text%3E%3C/svg%3E)
O V, Naveen
20
Reputation points
commented 2025-07-11T07:34:25.87+00:00
RLWA32
49,666
Reputation points
1 answer
E_ACCESSDENIED error when IStream::Seek on Stream created using CreateStreamOnHGlobal on Windows 11 24H2 client
Hello all, After days of debugging, I found I am getting E_ACCESSDENIED error on the server side (Windows Server 2022) when I try to seek to the beginning of a stream: `ULARGE_INTEGER lPos;` LARGE_INTEGER lZero; lZero.QuadPart = 0; auto hrTemp =…
Developer technologies | C++
3,978 questions
asked 2025-07-02T05:35:11.58+00:00
Robert Bui
0
Reputation points
commented 2025-07-11T04:12:05.0866667+00:00
Varsha Dundigalla(INFOSYS LIMITED)
155
Reputation points Microsoft External Staff
1 answer
getting blocker call for listen() in winRT component using httplib.h
Hi, I am using WinRT componet project. I have included httplib.h file I am creating object for server and calling the Get() I am calling listen() method but Its like a bloker call in winRT app. I have also tyied with thread but no luch. Kindly provide…
Developer technologies | C++
3,978 questions
asked 2025-06-18T15:51:24.8566667+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(265.6, 31%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Arvind Kumar
20
Reputation points
commented 2025-07-11T03:40:43.41+00:00
Varsha Dundigalla(INFOSYS LIMITED)
155
Reputation points Microsoft External Staff
1 answer
Bitlocker using win 32 api
I have created a function inside my agent to apply bitlocker on a drive using win api, even though the execution is completed successfully the drives are not getting locked using bitlocker
Developer technologies | C++
3,978 questions
asked 2025-06-17T09:35:03.1833333+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(240, 77%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Amal Krishna Jk
25
Reputation points
commented 2025-07-11T03:36:48.0266667+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(288, 74%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOV%3C/text%3E%3C/svg%3E)
Omkara Varshitha Kunapalli (INFOSYS LIMITED)
80
Reputation points Microsoft External Staff
1 answer
Could you explain why the _Hash class manages buckets using both lower and upper bounds?
Hello, First of all, I’d like to kindly ask for your understanding as I’m using a translation tool to write this message. While looking into the msvc C++ _Hash class, I came across something I didn’t fully understand, so I’m reaching out with a question.…
Developer technologies | C++
3,978 questions
asked 2025-05-07T06:23:50.5233333+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(28.799999999999997, 8%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
형진 김
20
Reputation points
commented 2025-07-11T03:35:15.8533333+00:00
Omkara Varshitha Kunapalli (INFOSYS LIMITED)
80
Reputation points Microsoft External Staff
1 answer
Activate AddressSanitizer in Qt6
Hi all, I'm developing in Qt c++ under Windows and try to use AddressSanitizer within QtCreator. According to this blog from 2021 (https://devblogs.microsoft.com/cppblog/address-sanitizer-for-msvc-now-generally-available/) it should be possible. When I…
Developer technologies | C++
3,978 questions
asked 2025-07-03T10:44:22.05+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(108.80000000000001, 38%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
Jazzco
5
Reputation points
commented 2025-07-08T13:00:37.3633333+00:00
Varsha Dundigalla(INFOSYS LIMITED)
155
Reputation points Microsoft External Staff
1 answer
One of the answers was accepted by the question author.
set VARAINT is not right?
I am using ms-media-foundation and want to set CODECAPI_AVLowLatencyMode VARIANT var{}; var.boolVal = VARIANT_TRUE; var.vt = VT_BOOL; error:WinRT originate error - 0x80070057 : 'Invalid argument (VT_UI4 != pValue->vt)' why?
Developer technologies | C++
3,978 questions
1 answer
One of the answers was accepted by the question author.
how to present ID3D11Texture2D using swapChain?
just set once RenderTargetView or present then release the rendertargetView and then again set the rendertarget view?OMSetRenderTargets or swapChain->GetBuffer?
Developer technologies | C++
3,978 questions
asked 2025-07-03T14:39:07.43+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
5,551
Reputation points
commented 2025-07-04T13:04:09.55+00:00
Varsha Dundigalla(INFOSYS LIMITED)
155
Reputation points Microsoft External Staff
0 answers
Why am I encountering a System.AccessViolationException in .NET Framework 4.8 on Windows Server 2019, but not in .NET Framework 4 on Windows Server 2008
I'm encountering the following error in .NET Framework 4.8 on Windows Server 2019, which I faced in 2022, when trying to select the element from ToolStripComboBox . However, I am unable to reproduce this error in .NET Framework 4 on Windows Server 2008:…
Developer technologies | .NET | .NET Runtime
1,273 questions
Developer technologies | C++
3,978 questions
Developer technologies | C#
11,582 questions
asked 2024-11-29T12:12:15.3566667+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(153.6, 26%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EUA%3C/text%3E%3C/svg%3E)
Uke, Ashutosh
0
Reputation points
commented 2025-07-03T09:35:36.93+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(259.20000000000005, 84%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGR%3C/text%3E%3C/svg%3E)
György Kőszeg
0
Reputation points
1 answer
One of the answers was accepted by the question author.
How do I fix this error?
argument list for class template "CUIAnimationCallbackBase" is missing template <class IUIAnimationCallback, class CUIAnimationCallbackDerived> class CUIAnimationCallbackBase : public IUIAnimationCallback { public: static…
Developer technologies | C++
3,978 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(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)
1 answer
One of the answers was accepted by the question author.
Blocked from accessing native Azure Speech SDK (C++/x64) for Unreal Engine integration—installer reports success but does not install required binaries (no speechapi_cxx.h, .lib, or .dll). Project is C++ only; not using .NET or NuGet.
Hello Azure Support, I’m a developer working on a native C++ integration of Azure Speech Services within Unreal Engine, and I’m currently blocked from accessing the correct SDK. Despite multiple attempts, I have been unable to obtain the native C++…
Developer technologies | C++
3,978 questions
asked 2025-06-30T02:13:45.2933333+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(300.8, 27%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESJ%3C/text%3E%3C/svg%3E)
Strickland, Jared
20
Reputation points
accepted 2025-07-01T00:52:40.73+00:00
Strickland, Jared
20
Reputation points
2 answers
Allocate / free memory with Visual Studio C++
I have a very simple program int main(void) { double* myVect = new double[10000000]; wait(2); // wait for 2 seconds delete[] myVect; wait(2); return 0; } I execute this program in Debug mode, put a breakpoint on "return 0" and look at the…
Developer technologies | C++
3,978 questions
asked 2025-06-29T07:22:27.0766667+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, 19%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOT%3C/text%3E%3C/svg%3E)
Ollivier TARAMASCO
0
Reputation points
answered 2025-06-30T16:19:29.9466667+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, 61%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bruce (SqlWork.com)
78,236
Reputation points
Volunteer Moderator
5 answers
One of the answers was accepted by the question author.
Error trying to call a C# DLL from a C++ console app
I am on Windows 10 with VS 2022. I want to call a C# DLL from a C++ app. I am trying to register the C# DLL using regasm. I am getting the following error: C:\Users\dbaec\OneDrive\Forex\C++_App\C#_DLL\obj\x64\Debug\net6.0-windows7.0>regasm.exe…
Developer technologies | C++
3,978 questions
asked 2025-06-16T17:00:35.6566667+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(153.6, 88%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED7%3C/text%3E%3C/svg%3E)
DonBaechtel-7903
196
Reputation points
accepted 2025-06-26T10:58:23.48+00:00
DonBaechtel-7903
196
Reputation points
2 answers
Cannot Save File message keeps popping up in Visual Studio 2022
While making changes to an MFC dialog using the resource editor, and then not making changes for a short while, Visual Studio 2022 keeps popping up a 'Cannot save file' message... It's as though it is trying to write away a temporary file somewhere, but…
Developer technologies | C++
3,978 questions
asked 2025-06-25T07:22:19.02+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(140.8, 42%, 23%)' 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)
Trevor
0
Reputation points
answered 2025-06-25T10:18:16.66+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(246.4, 86%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDL%3C/text%3E%3C/svg%3E)
David Lowndes
2,640
Reputation points MVP
3 answers
CMake build error at protobuf on C++ project with opencv
When building x86 of the project with opencv, I got an error as blew。 No problem buiding x64。 main] Configuring project: MyProject [proc] Executing command: "C:\Program Files\CMake\bin\cmake.EXE"…
Developer technologies | C++
3,978 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(182.40000000000003, 28.999999999999996%, 27%)' 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)
1 answer
Ask your question in the language of the Q&A site
To get the most out of Microsoft Q&A, please make sure to submit your questions in the language of the Q&A site you are on. This will ensure that our community of experts can provide accurate and helpful answers to your question.
Developer technologies | C++
3,978 questions
asked 2025-06-23T12:43:22.0566667+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, 45%, 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)
tpetchel
0
Reputation points Microsoft Employee
Admin
commented 2025-06-24T23:35:09.5366667+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(16, 21%, 11%)' 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)
Sarah Fassett
0
Reputation points
2 answers
LNK2005 error on C++ app when implementing a replacement new and delete
In Visual Studio 2019 C++14 I can build a "hello world" program with a custom new and delete. I'm unable to link a larger program which implements a custom new and delete replacement. The error is LNK2005 "void * __cdecl operator…
Developer technologies | C++
3,978 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(297.6, 77%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMN%3C/text%3E%3C/svg%3E)
2 answers
Replacing Deprecated Extended Stored Procedures with CLR-Based C# Wrappers
Hi Team, Currently, we bind a C++ DLL to SQL Server using an extended stored procedure. Since extended stored procedures are deprecated, is it possible to create a C# wrapper for the C++ DLL and register this C# wrapper as a CLR stored procedure in SQL…
Developer technologies | C++
3,978 questions
asked 2025-06-18T06:11:27.36+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(80, 77%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAM%3C/text%3E%3C/svg%3E)
Abhishek Modi (amodi)
0
Reputation points
commented 2025-06-23T05:37:39.11+00:00
Abhishek Modi (amodi)
0
Reputation points
1 answer
One of the answers was accepted by the question author.
CPU and disk usage values which we get from windows API (Using PDH) is not same as the value we see in task manager
I am currently using the PDH (Performance Data Helper) API to log CPU and Disk utilization data in a CSV file. Below is a snippet of the code I am using: #include <windows.h> #include <pdh.h> #include <stdio.h> #include…
Windows development | Windows API - Win32
2,791 questions
Windows for business | Windows Client for IT Pros | Devices and deployment | Other
Windows for business | Windows Client for IT Pros | User experience | Other
Developer technologies | C++
3,978 questions
asked 2024-12-05T15:51:07.8166667+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(38.4, 82%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECM%3C/text%3E%3C/svg%3E)
Chandan M S
20
Reputation points
accepted 2025-06-20T17:58:37.22+00:00
Chandan M S
20
Reputation points