Windows Programming

Welcome to the Windows forum in C++.com! In this forum, users can to talk about any topic related to programming in C++ for the Windows platform. Feel free to...

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by Laurent7601

destructors are not called in the right order (1,2)

Hi! I've a bug with mingw, I've downloaded the msvcrt runtime mingw-w64 12.0 on this website (the lasted doesn't work for me, DllMain entry point missing...) : ...

[20 replies] Last: In other words, each component ended up storing its own copy of the de... (by Peter87)

by Laurent7601

compile error when building shared libs

I I'm trying to compile my lib on shared but I get this error message that I don't understand : [ 37%] Linking CXX shared library ..\..\..\lib\libodfaeg-gra...

[2 replies] Last: C and C++ use different name mangling. (by kigar64551)

by Gorlash

mingw gdiplus rendering scales wrong

I'm trying to convert GDI32 program to GDI+ ... I'm using MinGW toolchain (TDM V10.3.0) on Windows 10. I am trying to implement an ImageList capability in ...

[1 reply] : Okay, I finally figured out how to disable "automatic scaling", once I... (by Gorlash)

by ElusiveTau

Formatted Console Log with Datetime

I'm working on a C++11 project that uses console logging (cout) at the moment. I created the following Log method to perform printf-style formatting: // U...

[8 replies] Last: Just started reading bits an pieces of "C++ Coding standards" by Sutte... (by ElusiveTau)

by SimpleCoder

MSVC Solution and C1011 Error

MSVS Community Edition, v17.12.5 (latest), Win10 (latest), 64-bit I've raised an issue with MS, but after their acknowledging that they've replicated the probl...

[3 replies] Last: did you try using #include instead? I know you may not want to, but m... (by jonnin)

by ElusiveTau

Opening Multiple Console Windows One For Each Thread

I'm playing around with threads and rather than designing a class to manage output to a single console i.e., a single stdout, I figured to use this approach t...

[7 replies] Last: Not sure if it was only my system but MSVC compiler emitted compiler ... (by kigar64551)

by ElusiveTau

How to create bare-minimum Windows Application with Console Access?

I'm following this video tutorial and would like to run the code snippet at 1:07. #define WIN32_LEAN_AND_MEAN #include <iostream> #include <string> #...

[7 replies] Last: You can call AllocConsole() to get a console in a Windows (GUI) appl... (by kigar64551)

by MiloCharmingMagician

My Shockwave Flash Projector

Thought I would release my flash projector and compiler :D now open source version released on GitHub, along with a release build Build: Visual Studio 2005 Wi...

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by LsDefect

WinForms Resources, Moved Files

I'm working on a WinForms CLR project and I'm using VS 2022. All was well until I created new folders and moved files - everything was in the base project folde...

[8 replies] Last: If you use source control Not everyone uses that, I know for most of... (by deleted account xyzzy)

by JUANDENT

printing C++ source file in VS2022 throws garbage

Hi, I have a C++ source file that when printing from VS2022 prints what seems garbage (actually it seems to be using a strange font which is impossible to u...

[4 replies] Last: any chance one or all of your code snippet settings use the "Cascadia"... (by jonnin)

by LukeProducts

Procedure Entry Point Not Found

Hello, I am currently using OpenCV-4.5.5-x64 with MinGW and encountering issues when trying to execute the compiled binary. The PATH environment variable is co...

[1 reply] : UPDATE: Ive tried an older Build and OpenCV-MinGW-Build-OpenCV-4.1.1-x... (by LukeProducts)

by LukeProducts

image compression ffmpeg

Hey folks, I’m trying to use FFmpeg in C++ to compress image buffers, but I keep running into a fundamental issue. I’m seeing this error: [libx264 @ ...

[1 reply] : Read the manual page and understand how the functions are supposed to ... (by salem c)

by LukeProducts

How to properly link ffmpeg library to clion?

Hey everyone :), I've been trying to use FFmpeg for video compression and other tasks, but I've been stuck for a while. Up until now, I've mostly avoided linki...

[2 replies] Last: Thank you so much. I realized i mixed up .dll with .lib in the executi... (by LukeProducts)

by LsDefect

Compiles with Visual Studio, but not g++

#include <sstream> #include <vector> #include <filesystem> #include <fstream> #include <shlobj.h> #include <locale> #include <codecvt> #include <windo...

[5 replies] Last: The import libraries for the WinAPI are different for each compiler, a... (by deleted account xyzzy)

by JUANDENT

Are internal partition files supported in VC++ 2022?

Can we do this? module name:partition_name; VS 2022 does not compile

[1 reply] : Yes, VS 2022 does support internal partition files, the file's compila... (by deleted account xyzzy)

by JohnOfC

How do i get and set the theme colors?

How can I apply the colors chosen in the theme by the user, so that my colors overlap with the windows colors. I was thinking of this api GetSysColor, GetThe...

[1 reply] : The WinAPI has a header file for getting and setting theme related inf... (by deleted account xyzzy)

by TrouthieCPP

type const char * not compatible with LPCWSTR

Hello everyone, Trying Win API 32 with creating sample Window, handle message using ressources in CPP compiler returns the message const char * type argument no...

[15 replies] Last: Since I have updated .json in v.s. code #include <sal.h> is not nece... (by TrouthieCPP)

by bydrachen

Assigning CMYK values into a pixel

Hi, I'm working on a project that manipulating images pixel by pixel with C# forms. Now the turn is color space convertions. We extracted the values out of an R...

[2 replies] Last: I think implementing the conversion between the RGB and CMYK color mo... (by bydrachen)

by vickoza

How does CFile::Openassigns to pErros->m_cause the value CFileException::none?

I have analyzed an older application and tracing an error to this MFC class function. In some versions of Windows 10 and earlier version of Windows this method ...

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