Building with C#
Create modern applications across web, mobile, desktop, and cloud with Microsoft's versatile language
Why Choose C#?
🌐 Truly Cross-Platform
Build for Windows, Linux, macOS, iOS, Android, and the web from a single codebase.
🚀 Modern Language
Cutting-edge features like pattern matching, nullable types, and async streams.
🎮 Unity Game Engine
The preferred language for Unity, powering millions of games worldwide.
☁️ Cloud First
Deep Azure integration and excellent support for microservices and serverless.
What Can You Build?
Web Applications
Modern web framework, cross-platform, high performance
Frameworks:
Examples:
- Enterprise web apps
- REST APIs
- Real-time apps
- SPA applications
Game Development
Unity ecosystem, rapid prototyping, cross-platform deployment
Frameworks:
Examples:
- Mobile games
- PC games
- VR/AR experiences
- Simulations
Desktop Applications
Rich UI frameworks, Windows integration, cross-platform options
Frameworks:
Examples:
- Business tools
- Media applications
- Development tools
- Utilities
Cloud & Microservices
Azure integration, containerization, scalable architecture
Frameworks:
Examples:
- Serverless functions
- Microservices
- Cloud APIs
- Event processing
Natural Language Examples
Describe your C# project in plain English:
"Create a C# web API with authentication, Entity Framework, and Swagger docs"RESTful API with JWT auth and auto-generated documentation
"Build a C# Blazor app for project management with real-time updates"Interactive web app with SignalR for live collaboration
"Design a C# Unity game with multiplayer support and leaderboards"Cross-platform game with networking and cloud services
C# Best Practices
Modern C#
- Use nullable reference types
- Leverage pattern matching
- Async/await everywhere
- Record types for DTOs
Architecture
- Follow SOLID principles
- Use dependency injection
- Implement repository pattern
- Clean architecture layers
Performance
- Use Span<T> for memory
- Avoid boxing/unboxing
- Pool expensive objects
- Profile with BenchmarkDotNet
Testing
- Unit test with xUnit
- Mock with Moq or NSubstitute
- Integration test APIs
- Use test data builders
Quick Start Templates
🌐 Web API
ASP.NET Core API with authentication and database
"Create a C# API for e-commerce with payments"⚡ Blazor App
Interactive web UI with C# instead of JavaScript
"Build a C# Blazor dashboard with charts"🎮 Unity Game
Cross-platform game with physics and animations
"Design a C# Unity puzzle game"🖥️ Desktop App
Modern desktop application with rich UI
"Create a C# WPF media player app"Pro Tips
🆕 Use .NET 8
Always use the latest LTS version for performance and security improvements
📦 NuGet Central
Use Central Package Management for consistent versions across projects
🔥 Hot Reload
Use hot reload during development for instant feedback on changes
🛡️ Nullable Types
Enable nullable reference types to catch null reference exceptions at compile time