create C++ prooject in Visual Studio 2019. here are complete list of post to configure Visual Studio 2019.
- Visual Studio projects - C++
- Set compiler and build properties
- Share or reuse Visual Studio project settings
- Property inheritance in Visual Studio projects
- How to: Modify C++ project properties and targets without changing the project file
- Consuming libraries and components
- How to: Organize Project Output Files for Builds
- Understanding Custom Build Steps and Build Events
- Specify custom build tools
- Specifying build events
- Troubleshooting Build Customizations
- Formatting the Output of a Custom Build Step or Build Event
- How to: Create a C++ Project from Existing Code
- Release Builds
- How to: Create a Release Build
- Common Problems When Creating a Release Build
- Fixing Release Build Problems
- Using the Debug Build to Check for Memory Overwrite
- How to: Debug a Release Build
- Checking for Memory Overwrites
- Optimizing your code
- Why Floating-Point Numbers May Lose Precision
A Visual Studio project is a project based on the MSBuild build system. MSBuild is the native build system for Visual Studio and is generally the best build system to use for Windows-specific programs. MSBuild is tightly integrated with Visual Studio, but you can also use it from the command line. For cross-platform projects, or projects that use open-source libraries, we recommend using CMake projects in Visual Studio in Visual Studio 2017 and later. For information about upgrading MSBuild projects from older versions of Visual Studio, see the Microsoft C++ Porting and Upgrading Guide.
In the IDE, all information that is needed to build a project is exposed as properties. This information includes the application name, extension (such as DLL, LIB, EXE), compiler options, linker options, debugger settings, custom build steps, and many other things. Typically, you use property pages to view and modify these properties. To access the property pages, choose Project > projectname Properties from the main menu, or right-click on the project node in Solution Explorer and choose Properties.
To create a custom group of settings that you can share with others or reuse in multiple projects, use Property Manager to create a property sheet (.props file) to store the settings for each kind of project that you want to be able to reuse or share with others. Using property sheets are far less error-prone than other ways of creating "global" settings.
The Visual Studio project system is based on MSBuild, which defines file formats and rules for building projects of any kind. MSBuild manages much of the complexity of building for multiple configurations and platforms, but you need to understand a little bit about how it works. This is especially important if you want to define custom configurations or create reusable sets of properties that you can share and import into multiple projects.
You can override project properties and targets from the MSBuild command prompt without changing the project file. This is useful when you want to apply some properties temporarily or occasionally. It assumes some knowledge of MSBuild. For more information, see MSBUild.
Often, a C++ project needs to call functions or access data in a binary file such as static library (.lib files), DLL, Windows Runtime component, COM component, or .NET assembly. In these cases, you have to configure the project so that it can find that binary at build time. The specific steps depend on the type of your project, the type of the binary, and whether the binary is being built in the same solution as your project.
This topic describes best practices for organizing project output files. Build errors can occur when you set up project output files incorrectly. This topic also outlines the advantages and disadvantages of each alternative for organizing your project output files.
A custom build tool provides the build system with the information it needs to build specific input files. A custom build tool specifies a command to run, a list of input files, a list of output files that are generated by the command, and an optional description of the tool. For general information about custom build tools and custom build steps, see Understanding Custom Build Steps and Build Events.
You can use build events to specify commands that run before the build starts, before the link process, or after the build finishes.
Build events are executed only if the build successfully reaches those points in the build process. If an error occurs in the build, the post-build event does not occur; if the error occurs before the linking phase, neither the pre-link nor the post-build event occurs. Additionally, if no files need to be linked, the pre-link event does not occur. The pre-link event is also not available in projects that do not contain a link step.
In Visual Studio, you can port existing code files into a C++ project using the Create New Project From Existing Code Files wizard. This wizard creates a project solution that uses the MSBuild system to manage source files and build configuration. It works best with relatively simple projects that do not have complex folder hierarchies. The wizard isn't available in older Express editions of Visual Studio.
Porting existing code files into a C++ project enables the use of native MSBuild project management features built into the IDE. If you prefer to use your existing build system, such as nmake makefiles, CMake, or alternatives, you can use the Open Folder or CMake options instead. For more information, see Open Folder projects for C++ or CMake projects in Visual Studio. Both options let you use IDE features such as IntelliSense and Project Properties.
A release build uses optimizations. When you use optimizations to create a release build, the compiler will not produce symbolic debugging information. The absence of symbolic debugging information, along with the fact that code is not generated for TRACE and ASSERT calls, means that the size of your executable file is reduced and will therefore be faster.
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