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Oct 26, 2020 · 10. Ctrl+Alt+N (Run Code) is a shortcut provided by the "Code Runner" extension you've installed. It runs the code without debugging. Ctrl+F5 (Debug: Start without Debugging) is a VS Code default shortcut. Despite its name, it actually runs the C++ code with debugging. This is because according to the VS Code docs:
In addition to debugging a program, VS Code supports running the program. The Debug: Start Without Debugging action is triggered with ⌃F5 (Windows, Linux Ctrl+F5) and uses the currently selected launch configuration. Many of the launch configuration attributes are supported in 'Run' mode. VS Code maintains a debug session while the program is ...
- Overview
- Start from a project
- Start from code
- Start from a GitHub or Azure DevOps repo
- Run the program
- Troubleshooting
- Next steps
How to run a program depends on what you start from, the type of program, and whether you want to run under the debugger. In the simplest case, to build and run an open project in Visual Studio:
•Press F5, choose Debug > Start with debugging from the Visual Studio menu, or select the green Start arrow and project name on the Visual Studio toolbar.
You can run a C# project (.csproj file) if it's a runnable program. If the project contains a C# file with a Main method, and its output is an executable or .exe file, it will probably run if it builds successfully. Newer versions of C# don't require a Main method; instead, program executions starts with top-level statements. See Programs without Main methods. If a project has no Main method and no top-level statements, then it might be a class library. If so, it's not runnable on its own, but it can be referenced by other projects.
1.If your program code is already in a Visual Studio project, open the project. To do so, you can double-click or tap on the .csproj file in Windows File Explorer, or choose Open a project in Visual Studio, browse to find the .csproj file, and select the file.
2.After the project loads in Visual Studio, if your Visual Studio solution has more than one project, make sure to set the project with the Main method as the startup project. To set the startup project, right-click on the project name or node in Solution Explorer and choose Set as Startup Project from the context menu.
3.To run the program, press Ctrl+F5, select Debug > Start without debugging from the top menu, or select the green Start button.
Visual Studio tries to build and run your project. At the bottom of the Visual Studio screen, the build output appears in the Output window, and any build errors appear in the Error List window.
If the build succeeds, the app runs as appropriate for the type of project. Console apps run in a terminal window, Windows desktop apps start in a new desktop window, and web apps run in a browser hosted by IIS Express.
If you start from a code listing, code file, or small number of files, first make sure the code is a runnable program from a trusted source. Any app with a Main method is probably a runnable program, but with the current version of C#, programs without Main methods with top-level statements can also run. You can use the Console Application template...
If the code you want to run is in a GitHub or Azure DevOps repo, you can use Visual Studio to open the project directly from the repo. See Open a project from a repo.
To start building the program, press the green Start button on the Visual Studio toolbar, or press F5 or Ctrl+F5. Using the Start button or F5 runs the program under the debugger.
Visual Studio attempts to build and run the code in your project. If a build doesn't succeed, see the following sections for some ideas on how to get the project to build successfully.
Add references
To build properly, the code must be correct and have the right references to libraries or other dependencies. Red squiggly underlines in code or entries in the Error List show errors even before you compile and run the program. If the errors relate to unresolved names, you probably need to add a reference or a using directive, or both. If the code references any missing assemblies or NuGet packages, you need to add those references to the project. Visual Studio tries to help you identify missing references. When a name is unresolved, a light bulb icon appears in the editor. Select the light bulb to see suggestions on how to fix the issue. Fixes might be to: •Add a using directive. •Add a reference to an assembly. •Install a NuGet package. Add a using directive Here's an example of a missing using directive. You can add using System; to the start of the code file to resolve the unresolved name Console: More recent of C# support implicit using directives for some commonly used namespaces, so if you chose that option when creating a project, you don't need them.
•Explore the Visual Studio development environment by reading Welcome to the Visual Studio IDE.
•Create your first C# app.
Apr 18, 2024 · The default way to start or run your application in Visual Studio has always been F5 or the solid green 'play' button. But this attaches a debugger, which is only needed if you're adding breakpoints and stepping through your code. It also can add significant time to the process of running your app. If you're not constantly using the debugger ...
Start without Debugging: When you select this option (press Ctrl + F5) to run the application, Visual Studio will launch your application without loading the symbols and attaching the Debugger. In this case. Your application won’t pause, even if you have any breakpoint within your code. You will not be able to step through the code.
Nov 22, 2023 · Open any code. You can open code into Visual Studio in the following ways: On the Visual Studio menu bar, choose File > Open > Folder, and then browse to the code location. On the context (right-click) menu of a folder containing code, choose the Open in Visual Studio command. Choose the Open Folder link on the start window.
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Nov 10, 2023 · To collect performance data without debugging, you can run the Performance Profiler tools. With a project open in Visual Studio, set the solution configuration to Release, and select Local Windows Debugger (or Local Machine) as the deployment target. Select Debug > Performance Profiler, or press Alt + F2. On the diagnostic tools launch page ...
