Developers are urged to switch to other tools as Microsoft plans to remove Visual Studio for Mac on August 31, 2024. For C# programming on macOS, Visual Studio Code (VS Code) and the C# Dev Kit provide a stable, cross-platform environment.
So, given that this is our step-by-step approach.
- Setting up VS Code for C# development
- Creating and running a simple C# console application
- Check if we can debug within VS Code
Prerequisites
Ensure the following are installed on your system.
- .NET SDK: Download and install the latest .NET SDK from the .NET official website.
- Visual Studio Code: Install VS Code from the official website.
- C# Extension for VS Code: Install the C# extension by Microsoft:
- Open VS Code.
- Navigate to the Extensions view by clicking on the Extensions icon in the Activity Bar on the left side of the window.
- Search for "C#" and install the extension provided by Microsoft.
VS Code Extensions view highlighting the C# extension.
Step 1. Open Terminal
Launch a terminal window from your preferred working location. This can be your home directory or any project folder you like to work in.
Step 2. Navigate to Your Workspace
Move to your favorite place for coding projects.
Step 3. Create a New Folder and Initialize the Project
Use the following commands to create a new directory for your app and generate a basic C# console application.
This will scaffold a new project with a Program.cs file and required project configuration (.csproj file).
To open your C# project in Visual Studio Code from the terminal, use this command.
- code: This is the command to launch VS Code.
- This tells VS Code to open the current directory (your project folder).
If the code command is not recognized
You might need to install the code command in your shell.
Use the Menu Bar
You can access the Command Palette manually.
- Click on View in the top menu bar.
- Select Command Palette, then type and select: "Shell Command: Install 'code' command in PATH"
Command Palette with "Shell Command: Install 'code' command in PATH" highlighted.
Now, you can open any folder in VS Code using the (code .) command
Open Program.cs: In the Explorer view, open the Program.cs file, and let's add a simple function to print numbers. We are initializing an array of five integers and printing each to the console.
Build and Run
The console should display.
Debugging the Application
Step 1. Add a Breakpoint
Click in the gutter to the left of the line Console.WriteLine(number) to add a breakpoint.
The Red dot is a breakpoint set on line 6.
Step 2. Start Debugging
Press F5 or navigate to Run > Start Debugging. VS Code may prompt you to select the environment for your project. For a C# app, you'll choose ( .NET or .NET Core, depending on your version )
After this selection, VS Code automatically generates a .vscode/launch.json file in your project folder. This file contains configuration instructions that tell VS Code how to build and run your app.
launch.json
Next, the debugger will start, and execution will pause at the breakpoint.
Inspect Variables
- Use the Debug pane to inspect the value of the number and other variables.
- Use the Step Over (F10) and Step Into (F11) commands to navigate through the code.
Transitioning from Visual Studio to Visual Studio Code ensures continued support and access to modern development tools for C#. With the C# extension, VS Code provides a streamlined environment for building and debugging .NET applications.
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