3,544 questions with C++-related tags

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Visual Studio debugger will not step into code of a separate project that builds to a dll (within the same solution)

I have two projects in one solution. One compiles into an exe which depends on the other project that compiles into a dll. When I try to step into a function from the dll that is called within the exe code, it skips over it. My pdb file for the dll is…

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.
3,544 questions
Visual Studio Debugging
Visual Studio Debugging
Visual Studio: A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.Debugging: The act or process of detecting, locating, and correcting logical or syntactical errors in a program or malfunctions in hardware. In hardware contexts, the term troubleshoot is the term more frequently used, especially if the problem is major.
947 questions
asked 2024-05-09T23:39:57.78+00:00
jbl 0 Reputation points
answered 2024-05-11T09:48:15.93+00:00
RLWA32 40,771 Reputation points
0 answers

Windows API's CreateFile with CFile gives invalid path error if used drives created with SUBST

A drive is created for a folder using SUBST command. We have a Windows application which reads contents of the and performs some operations. Application does not give any error when read the file path is from actual drive. But when try to read from drive…

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.
2,429 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.
3,544 questions
asked 2024-05-03T12:58:05.9266667+00:00
Dada Khalandhar Gooty 0 Reputation points
edited the question 2024-05-10T20:55:51.7233333+00:00
Rob Caplan - MSFT 5,422 Reputation points Microsoft Employee
0 answers

How to use c++ 20 modules in shared libraries ?

Hello everyone, I am currently working on a test-project where I want to use shared libraries and I would like to leverage the new C++20 modules feature. However, I am having some difficulty understanding how to properly set up my code to use C++20…

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.
3,544 questions
asked 2024-05-10T19:22:17.17+00:00
Michael Brunner 0 Reputation points
0 answers

Why does my transparent-background window turn into black screen after window ghosting?

I have a pop-up window that acts as a watermark on my application over a parent window. It has a transparent background (WS_EX_TRANSPARENT), but when the application becomes non-responsive, Windows adds a ghost window with a black background. I tried…

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.
4,797 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.
2,429 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.
3,544 questions
asked 2024-05-10T14:33:43.0133333+00:00
Aditya Pingle 0 Reputation points
commented 2024-05-10T14:52:22.16+00:00
Aditya Pingle 0 Reputation points
1 answer

Is there any way to disable loading of satellite DLLs for MFC programs?

According to this help page, any application or DLL created with MFC will attempt to load localized resources from satellite DLLs such as exampleENU.dll or exampleLOC.dll. We have built a legacy application using MFC, but we do not use this particular…

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.
3,544 questions
asked 2024-04-25T11:02:07.57+00:00
Hermann Walth 0 Reputation points
commented 2024-05-10T09:56:21.1166667+00:00
Minxin Yu 10,121 Reputation points Microsoft Vendor
1 answer

How to add custom parameter and its corresponding value in the HTTP header using the Windows-win32-webservices.h library

I have implemented a SOAP web service client in C++ using MS Visual Studio 2019 and library “WebServices.h”, in order to consume a SOAP web service. SOAP webservice that I am consuming requires a custom parameter and its corresponding value in the HTTP…

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.
2,429 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.
3,544 questions
asked 2024-05-08T09:23:10.42+00:00
Shree (Contractor) 0 Reputation points
answered 2024-05-10T02:33:32.65+00:00
Xiaopo Yang - MSFT 11,501 Reputation points Microsoft Vendor
8 answers

Visual C++ vc_runtimeminimum_x64.msi Error

When trying to uninstall Visual C++ I get the following error: Here are the remaining versions of Visual C++ on my device: When trying to install the latest Visual C++ I get this error: I attempted to use the Program Install…

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.
3,544 questions
Visual Studio Setup
Visual Studio Setup
Visual Studio: A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.Setup: The procedures involved in preparing a software program or application to operate within a computer or mobile device.
971 questions
asked 2020-08-20T00:30:53.597+00:00
Will V 11 Reputation points
commented 2024-05-09T22:47:36.4266667+00:00
Lil1109 0 Reputation points
3 answers One of the answers was accepted by the question author.

Azure functions running 64 Bit native c++ dll

Hi Community, I reached out to Azure support via twitter and they suggested I post in here, for any help that might come my way. I have a .Net5 Isolated function that is running some proprietary c++ dll's, that I have compiled as 64 bit, these run…

Azure Functions
Azure Functions
An Azure service that provides an event-driven serverless compute platform.
4,321 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.
3,544 questions
asked 2021-07-25T10:14:26.913+00:00
Michael Pine 21 Reputation points
answered 2024-05-09T19:24:54.6633333+00:00
Hochgurtel, Brian D 20 Reputation points
2 answers One of the answers was accepted by the question author.

LoopbackCapture (`ActivateAudioInterfaceAsync` with `VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK` ), m_AudioClient->GetMixFormat failed with E_NOTIMPL

Hi, I use the applicationloopbackaudio-sample to record system audio, it works fine. However, the capture format is hard coded: // The app can also call m_AudioClient->GetMixFormat instead to get the capture format. // 16 - bit PCM format. …

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.
2,429 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.
3,544 questions
asked 2022-12-12T12:57:24.777+00:00
TianpingHsu 26 Reputation points
answered 2024-05-09T15:30:03.31+00:00
Tony 96 Reputation points
2 answers

How to hook the ItaskbarList4 class?

I'm trying to customize the taskbar buttons, for this i'm hooking the ItaskbarList4 class using Detours, however, the functions on MyTaskbarList isn't getting called, trying to figure out what's wrong: inline HRESULT(WINAPI* CoCreateInstance_O)(REFCLSID…

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.
3,544 questions
asked 2024-05-06T09:48:17.41+00:00
Cesar 0 Reputation points
answered 2024-05-09T11:09:41.1566667+00:00
RLWA32 40,771 Reputation points
1 answer One of the answers was accepted by the question author.

.net8 windows form design view problem.

I am developing Revit addin in Vidual Studio in c++/cli as class library. Before moving to .net platform everyhing was working fine. But in .net Windows form design views doesnt work. Though when I add form element by code. It compiles and works. The…

Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
4,643 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.
3,544 questions
asked 2024-05-04T19:10:34.6166667+00:00
Ahmet Haluk UZUNER 20 Reputation points
accepted 2024-05-09T07:59:43.32+00:00
Ahmet Haluk UZUNER 20 Reputation points
1 answer

Same Header File Is Different

Hello Folks: Developing on Windows 10, up to date Visual Studio Community 2022, C++. When building my application I occasionally see this error: The two header files that Visual studio is complaining about are the same file. Here is the text of the…

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.
3,544 questions
asked 2024-05-06T18:03:25.1133333+00:00
a_unique_name 381 Reputation points
commented 2024-05-07T20:31:07.7066667+00:00
RLWA32 40,771 Reputation points
0 answers

Issues with afxres.rc

I have some MFC projects that have worked for many years, but suddenly I can no longer access resources from afxres.rc in any of them. For example, here's a simple test: CBitmap bitmap; BOOL success = bitmap.LoadBitmap(AFX_IDB_CHECKLISTBOX_95); assert(…

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.
3,544 questions
asked 2024-04-23T10:44:51+00:00
JW 61 Reputation points
commented 2024-05-07T19:45:30.17+00:00
David Lowndes 2,355 Reputation points MVP
2 answers One of the answers was accepted by the question author.

Can COM use Excel as an in-process DLL?

Hello, I would to ask about Excel COM operation.  To connect to Excel from another C++ process is well established: #import "C:\\Program Files (x86)\\Common Files\\microsoft shared\\OFFICE11\\MSO.DLL"      #import "C:\\Program Files…

Office
Office
A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.
1,330 questions
Excel
Excel
A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
1,495 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.
3,544 questions
asked 2024-05-03T10:05:47.41+00:00
masterjodi 40 Reputation points
commented 2024-05-03T11:45:41.7533333+00:00
masterjodi 40 Reputation points
1 answer

Microsoft Visual Studio：the file cannot be found when running the program

After the compilation is successful, the file cannot be found when running the program. 在编译成功后，运行时找不到文件。 Display:（Chinese） Microsoft Visual Studio 无法启动程序“C:\Users\1vr_s\Desktop\passward\Project1\x64\Debug\Project1.exe”。 系统找不到指定的文件。 …

Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
4,643 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.
3,544 questions
asked 2022-04-10T07:21:22.217+00:00
LtpLGM 1 Reputation point
commented 2024-05-03T10:14:16.0466667+00:00
zai liang 0 Reputation points
0 answers

How to use C++/WinRt API like as part of DLL without user interface(UI)

Hi, I am attempting to utilize the C++/WinRT code provided in the sample of LampArray, cppwinrt to create a DLL. However due to the tight coupling of this sample with the UI, I am not able to use below API independently within my DLL code, without…

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.
2,429 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.
3,544 questions
asked 2024-04-23T06:41:57.05+00:00
sunil maurya 21 Reputation points
edited the question 2024-05-03T07:27:35.8966667+00:00
Roy Li - MSFT 32,231 Reputation points Microsoft Vendor
0 answers

DCOM Interface Call fails with Kerberos

We try to move one of our current DCOM Applications that Impersonates a Client from NTLM over to Kerberos. So I tryed to get a minimal Example running. I Init the Server and Client as follows: CoInitializeSecurity(NULL, -1, NULL, NULL,…

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
10,701 questions
Windows Server
Windows Server
A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
12,205 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.
3,544 questions
asked 2024-05-02T16:34:09.79+00:00
TRoll 0 Reputation points
edited a comment 2024-05-03T01:40:24.2133333+00:00
Minxin Yu 10,121 Reputation points Microsoft Vendor
0 answers

Application built on Windows 11 does not start

When I built my Qt (6.8) application using MinGW 11.2 compiler toolchain, I get a pop up error message: The application was unable to start correctly (0xc00000ba). Click OK to close the application. Same issue occurs when built for Qt 6.7 and same…

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.
3,544 questions
asked 2024-05-02T18:41:08.63+00:00
Kat Nellayappan 0 Reputation points
commented 2024-05-03T01:37:09.13+00:00
Minxin Yu 10,121 Reputation points Microsoft Vendor
0 answers

Unkillable app in NtGdi DestroyAllocation2 after d3d11.dll Flush() when running for multiple days

Hello, we have an issue with a d3d11 software we develop in C++ for years. After running for multiple days, usually over 40 hours, we get a hang in win32u.dll!NtGdiDdDDIDestroyAllocation2() after we try to close the application. The process becomes stuck…

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.
3,544 questions
Windows Hardware Performance
Windows Hardware Performance
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.Hardware Performance: Delivering / providing hardware or hardware systems or adjusting / adapting hardware or hardware systems.
1,551 questions
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
8,282 questions
asked 2024-05-02T13:35:00.2133333+00:00
Richard Hachem 0 Reputation points
edited the question 2024-05-03T01:24:58.92+00:00
Minxin Yu 10,121 Reputation points Microsoft Vendor
4 answers One of the answers was accepted by the question author.

After update to VS 2022 17.8.5, from 17.0.6, I get Exception thrown at ntdll.dll immediately on debug

My project builds with normal warnings. I turned on Code Analysis on Build, but nothing improved the situation. After update to VS 2022 17.8.5, from 17.0.6, I get these errors when debugging or starting my project: Exception thrown at 0x00007FFE55B0E1E0…

Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
4,643 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.
3,544 questions
asked 2024-01-18T16:47:28.0466667+00:00
Dahl, Oskar 20 Reputation points
commented 2024-05-02T18:25:37.27+00:00
Johan Dahlin 1 Reputation point