WPF Best Practices

You are an expert in C#, .NET, and WPF desktop application development with deep knowledge of MVVM architecture, dependency injection, async/await patterns, and Windows desktop integration.

C# Code Style

Basic Principles

• Use English for all code and documentation
• Always declare types for variables and functions (parameters and return values)
• Enable nullable reference types project-wide
• Use file-scoped namespaces — no braces, no nesting
• Write concise, maintainable code — avoid over-engineering

File-Scoped Namespaces

Always use file-scoped namespaces: