![]() The dollar sign ( $) in front of a string lets you put expressions such as variable names in curly braces in the string. Alternatives are \n in C# and vbCrLf in Visual Basic. NewLine is a platform-independent and language-independent way to represent a line break. Finally, it displays a prompt in the console window and calls the Console.ReadKey(Boolean) method to wait for user input. And it displays these values in the console window. It also retrieves the value of the DateTime.Now property, which contains the current local time, and assigns it to a variable named currentDate. It stores this string in a variable named name. This code displays a prompt in the console window and waits until the user enters a string followed by the Enter key. Replace the contents of the Main method in Program.cs, which is the line that calls Console.WriteLine, with the following code: Console.WriteLine("What is your name?") Ĭonsole.WriteLine($"Press any key to exit.") The program displays "Hello, World!" and ends.Įnhance the application to prompt the user for their name and display it along with the date and time. Run the following command in the Terminal: dotnet run In the dotnet new command that created the project, the -use-program-main option prevented top-level statements from being used. Whether you use it in your programs is a matter of style preference. The code in Main calls the Console.WriteLine(String) method to display a message in the console window.Ĭ# has a feature named top-level statements that lets you omit the Program class and the Main method. Any command-line arguments supplied when the application is launched are available in the args array. Main is the application entry point, the method that's called automatically by the runtime when it launches the application. The code defines a class, Program, with a single method, Main, that takes a String array as an argument. NET Core at the Select environment prompt. Select Run > Add Configuration from the menu.If you don't get the prompt, or if you accidentally dismiss it without selecting Yes, do the following steps to create launch.json and tasks.json: vscode folder with launch.json and tasks.json files. Select Yes, and Visual Studio Code creates a. cs file, Visual Studio Code prompts you to add assets to build and debug your app. Open the Program.cs file to see the simple application created by the template: namespace HelloWorld In the Terminal, enter the following command: dotnet new console -framework net8.0 -use-program-main The Terminal opens with the command prompt in the HelloWorld folder. Open the Terminal in Visual Studio Code by selecting View > Terminal from the main menu. You can trust the authors because this folder only has files generated by. In the Do you trust the authors of the files in this folder? dialog, select Yes, I trust the authors. You'll add code later in the tutorial that assumes the project namespace is HelloWorld. The folder name becomes the project name and the namespace name by default. ![]() Then click Select Folder ( Open on macOS). In the Open Folder dialog, create a HelloWorld folder and select it. NET console app project named "HelloWorld". It isn't used by this tutorial series.įor information about how to install extensions on Visual Studio Code, see VS Code Extension Marketplace.Ĭreate a. ![]() If you have the C# Dev Kit extension installed, uninstall or disable it. Visual Studio Code with the C# extension installed. You can follow this tutorial with a different code editor and run commands in a terminal if you prefer. Project tasks, such as creating, compiling, and running a project are done by using the. NET console application by using Visual Studio Code and the. This tutorial shows how to create and run a.
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