.NET API Reference

Microsoft Namespace Overview

The Microsoft namespace contains classes that provide a broad range of functionalities used across the .NET ecosystem, including ASP.NET Core, Windows operating system interactions, Visual Basic runtime support, extensions, and more.

Popular Sub‑Namespaces

• Microsoft.AspNetCore – Web framework for building modern cloud‑based web apps.
• Microsoft.Win32 – Access to Win32 API, registry, event logs, and system information.
• Microsoft.VisualBasic – Compatibility helpers for VB.NET projects.
• Microsoft.Extensions – Extensible abstractions for logging, configuration, dependency injection, etc.
• Microsoft.CSharp – Runtime support for dynamic language features.

Getting Started

1. Choose the sub‑namespace that matches your project type.
2. Install the corresponding NuGet package (e.g., Microsoft.AspNetCore.App).
3. Explore the API reference for classes, methods, and examples.