3,681 questions with C++-related tags

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Visual C++ Why are two button clicks required to obtain button click event handler result

Q&A - I have a small C++ app in which it takes two clicks of a button to produce the desired even handler action. The app controls a voltage digitizer over the USB and plots the measured result in a pictureBox control. The app GUI has several Button…

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.
3,681 questions
asked 2020-09-07T21:59:11.207+00:00
Marshall Hollimon 1 Reputation point
commented 2020-09-14T02:19:03.11+00:00
Jeanine Zhang-MSFT 9,586 Reputation points Microsoft Vendor
1 answer

VS-2019 Debugging MFC

I'm using MFC as a shared DLL in a program with an EXE and a number of my own DLLs, some of which use MFC. Using VS-2019, when I step through my program's DEBUG build, it won't step into the MFC library source code. How do I get it to do so? Dave

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.
3,681 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.
986 questions
asked 2020-09-11T13:03:50.997+00:00
David Webber 136 Reputation points
commented 2020-09-14T01:57:18.013+00:00
Dylan Zhu-MSFT 6,416 Reputation points
2 answers

CMFCButton as a radio button

I have just discovered that the 'Feature Pack' class CMFCButton allows me to have an image and text on push-like radio button. (Normally this would require it to be owner-draw, and radio buttons don't have the owner-draw possibility, so I'm quite…

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.
3,681 questions
asked 2020-09-10T14:25:17.083+00:00
David Webber 136 Reputation points
commented 2020-09-14T01:19:31.577+00:00
Jeanine Zhang-MSFT 9,586 Reputation points Microsoft Vendor
3 answers One of the answers was accepted by the question author.

Copy string in C

Hello, Could you please explain why we cannot assign a string to another, whereas, we can assign a char pointer to another char pointer? Thanks #include<stdio.h> int main() { char str1[] = "Hello"; char str2[10]; char* s =…

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.
3,681 questions
asked 2020-09-12T08:33:10.32+00:00
Shervan360 1,501 Reputation points
accepted 2020-09-13T00:42:54.207+00:00
Shervan360 1,501 Reputation points
0 answers

VS 2017 C++ cannot sccroll view

Alert me|Edit|Delete|Change type Question You cannot vote on your own post 0 I am having a problem with scrolling my view (single document, only one view). In older versions of mfc I used the following coding to set the scroll: void…

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.
3,681 questions
asked 2020-09-08T15:03:08.727+00:00
Charles Sterbakov 21 Reputation points
commented 2020-09-11T20:09:44.513+00:00
Charles Sterbakov 1 Reputation point
4 answers

Microsoft Visual C++ 2015-2019 Downloading Problem

Hello, first of all. I tried many times download C++ 2015-2019 but it gives me error every times. When I tried to download it, it says ''vc_runtimeminimum_x64 msi''. I tried couple solutions but it doesn't solved. I downloaded Visual Studio 2017 and…

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.
3,681 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.
1,031 questions
asked 2020-09-07T13:12:34.123+00:00
Özgür Çağan 6 Reputation points
commented 2020-09-11T05:14:37.41+00:00
Anna Xiu-MSFT 28,491 Reputation points Microsoft Vendor
2 answers One of the answers was accepted by the question author.

Inline Assembly Call to compiled Subroutine gives access violation executing location

I have recently updated a large C++ program from Visual Studio 2005 to Visual Studio 2019. All has worked well except for this one problem where using inline assembly, we call into a compiled subroutine. Stepping into the "CALL" in disassembly…

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.
3,681 questions
asked 2020-09-09T21:42:57+00:00
ptmelt76 96 Reputation points
accepted 2020-09-10T21:47:57.757+00:00
ptmelt76 96 Reputation points
1 answer One of the answers was accepted by the question author.

Activate MDI window

I have an MDI app, which start as hidden, and an icon is shown in system tray. After a time (few seconds), from that system tray icon is show up a notification balloon. And when I click on this balloon, I call this code: void CMainFrame::On0Restore()…

Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
5,021 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.
3,681 questions
asked 2020-09-02T10:08:55.493+00:00
Flaviu_ 971 Reputation points
accepted 2020-09-10T08:46:40.44+00:00
Flaviu_ 971 Reputation points
1 answer One of the answers was accepted by the question author.

Expression must be a modifiable lvalue

Hello, The below code doesn't work. # include <stdio.h> int main() { int arr[] = { 12,14,15,23,45 }; for (size_t i = 0; i < 5; i++) { printf("%d\t",*arr); arr++; } return 0; } But the following…

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.
3,681 questions
asked 2020-09-09T02:12:46.757+00:00
Shervan360 1,501 Reputation points
accepted 2020-09-10T03:49:09.37+00:00
Shervan360 1,501 Reputation points
2 answers One of the answers was accepted by the question author.

Visual C++ ABI question

I have Visual C++ 2019 community (version 16.7.3) with compiler version 19.27.29111. I have some code compiled with Visual C++ 2015 14.0 build 23026 that uses various STL containers and classes (including std::wstring) Can I mix the Visual C++ 2015…

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.
3,681 questions
asked 2020-09-09T09:46:08.287+00:00
Jonathan Wilson 21 Reputation points
accepted 2020-09-09T21:12:09.34+00:00
Jonathan Wilson 21 Reputation points
4 answers

CDateTimeCtr border

Hi , Iam using CDateTimeCtrl datepicker in MFC c++ while creation it has 3D borders ,but i like to set it to normal border .How can i do so? iam creating datepicker as DTPicker.Create(WS_CHILD | WS_VISIBLE| DTS_UPDOWN| WS_BORDER, …

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.
3,681 questions
asked 2020-08-27T14:07:24.103+00:00
Deeptha S 1 Reputation point
answered 2020-09-09T15:57:44.527+00:00
RLWA32 44,926 Reputation points
2 answers One of the answers was accepted by the question author.

A midi controller in a desktop program freezes the graphic controls, though they still function

I have made a music program in Visual Studio for Windows with C and Fmod that contains a graphical keyboard, a selection of sound files etc., and which also contains a midi controller. I use the midi controller by connecting a midi keyboard to the…

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.
2,575 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.
3,681 questions
asked 2020-08-28T10:56:33.447+00:00
Keitel 61 Reputation points
accepted 2020-09-09T11:22:27.01+00:00
Keitel 61 Reputation points
3 answers

MFC -CRichEditCtrl Paste Text

Hi, In MFC dialog based application, I have subclassed CRicheditctrl. In the cricheditctrl, If a text is cut/copy from same richeditctrl, I need to allow pasting of text otherwise, if a text is copied from other control or microsoft word kind of…

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.
3,681 questions
asked 2020-09-08T12:29:17.97+00:00
abc abc 351 Reputation points
answered 2020-09-09T09:52:00.683+00:00
RLWA32 44,926 Reputation points
1 answer

Using Visual C++ 2019

Seems like Visual C++ 2019 has special codes that are not supported by the standard C++ command structures. For example, many tutorials on-line suggest that one can get input from a console by entering the command as follows: Libraries #include…

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.
3,681 questions
asked 2020-09-08T16:15:13.577+00:00
Sid Kraft 21 Reputation points
answered 2020-09-09T02:34:24.747+00:00
Jeanine Zhang-MSFT 9,586 Reputation points Microsoft Vendor
2 answers One of the answers was accepted by the question author.

Microsoft Visual C++ xxxx Redistributable (x64) Installation

Hello, Is there a way to install Microsoft Visual C++ xxxx Redistributable (x64) - xx.x.xx.xx through MEM-CM / Softare Updates / WSUS ? Thanks, Dom

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.
3,681 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.
1,031 questions
asked 2020-09-07T03:08:02.057+00:00
Dominique DUCHEMIN 831 Reputation points
answered 2020-09-08T14:26:27.83+00:00
Dominique DUCHEMIN 831 Reputation points
1 answer One of the answers was accepted by the question author.

MFC CRichEditCtrl::PreTranslateMessage

Hi, I subclassed CRichEditCTrl and in PreTranslateMessage I am handling ctrl+x. On ctrl+x I am confirming the user whether to delete text case 88: //ctrl+x if(IDNO==AfxMessageBox(_T("Do you want to delete selected…

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.
3,681 questions
asked 2020-09-07T13:49:56.35+00:00
abc abc 351 Reputation points
accepted 2020-09-08T12:18:23.903+00:00
abc abc 351 Reputation points
2 answers One of the answers was accepted by the question author.

Address of Array in C

Hello, Could you please explain the second printf_s? I expect &arr+1 to be similar to arr+1. because arr and &arr are the same. Why sixteen added? Thanks # include <stdio.h> int main() { int arr[] =…

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.
3,681 questions
asked 2020-09-05T22:25:47.877+00:00
Shervan360 1,501 Reputation points
accepted 2020-09-06T23:48:40.113+00:00
Shervan360 1,501 Reputation points
2 answers One of the answers was accepted by the question author.

Error with class definition in header file

I built the example program from the "Header files (C++)" guide, and when I compile the solution I get a number of errors because the class 'my_class' is not recognized by 'my_class.cpp' nor 'my_program.cpp' (codes C2065, C2653, etc).

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.
3,681 questions
asked 2020-09-05T22:45:01.973+00:00
Brenda 21 Reputation points
accepted 2020-09-06T16:13:54.75+00:00
Brenda 21 Reputation points
1 answer One of the answers was accepted by the question author.

c++ on VS19 - how can I display a table of number with cloumns aligned using cout

I want to display a scoreboard on the console with the columns lining up as shown in the example below. Team 1 (2) 5 30 45 62 Long name team (0) 10 28 49 165 The team names are…

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.
3,681 questions
asked 2020-09-03T13:03:39.443+00:00
Keith Lovell 61 Reputation points
accepted 2020-09-04T21:55:32.683+00:00
Keith Lovell 61 Reputation points
1 answer One of the answers was accepted by the question author.

DirectX12 Line Geometry Shader

I created a desktop application for win32 based off a skeleton from the book I have Introduction to 3D Game Programming with Directx12 by Frank D Luna. class BoxApp : public D3DApp { public: BoxApp(HINSTANCE hInstance); BoxApp(const BoxApp& rhs) =…

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.
3,681 questions
asked 2020-08-29T21:37:55.863+00:00
Anonymous
commented 2020-09-04T20:45:35.857+00:00
Anonymous