Table of Contents

1. Introduction
2. New File-Level Directives
3. Setting MSBuild Properties
4. Converting to a Project-Based App
5. Getting Started
6. Learn More

Introduction

• Announces the new dotnet run app.cs capability in .NET 10, allowing running C# files directly without project setup.
• Introduces file-based apps for quick scripts and experiments, similar to scripting languages.

New File-Level Directives

• Introduces file-level directives for declaring important aspects in C# files without needing a project file.
• Includes examples of directives like setting MSBuild properties directly in the file.

Setting MSBuild Properties

• Shows how to configure build properties using file-level directives for advanced language features and platform targeting.
• Illustrates setting properties for different language versions and platform configurations.

Converting to a Project-Based App

• Explains the process of converting a file-based app to a standard project for more advanced capabilities.
• Describes how to use the dotnet new console command to create a project from an existing C# file.

Getting Started

• Provides steps to install .NET 10 Preview 4 and update Visual Studio Code for file-based apps support.
• Guides users on creating a C# file, running it, and converting it to a project when needed.

Learn More

• Encourages users to watch a demo session showcasing file-based apps in action.
• Mentions upcoming improvements for file-based apps in VS Code and invites feedback on the feature development on GitHub.