Book Image

C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development - Fourth Edition

By : Mark J. Price
Book Image

C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development - Fourth Edition

By: Mark J. Price

Overview of this book

In C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development, Fourth Edition, expert teacher Mark J. Price gives you everything you need to start programming C# applications. This latest edition uses the popular Visual Studio Code editor to work across all major operating systems. It is fully updated and expanded with new chapters on Content Management Systems (CMS) and machine learning with ML.NET. The book covers all the topics you need. Part 1 teaches the fundamentals of C#, including object-oriented programming, and new C# 8.0 features such as nullable reference types, simplified switch pattern matching, and default interface methods. Part 2 covers the .NET Standard APIs, such as managing and querying data, monitoring and improving performance, working with the filesystem, async streams, serialization, and encryption. Part 3 provides examples of cross-platform applications you can build and deploy, such as web apps using ASP.NET Core or mobile apps using Xamarin.Forms. The book introduces three technologies for building Windows desktop applications including Windows Forms, Windows Presentation Foundation (WPF), and Universal Windows Platform (UWP) apps, as well as web applications, web services, and mobile apps.
Table of Contents (21 chapters)

Practicing and exploring

Test your knowledge and understanding by answering some questions, get some hands-on practice, and explore this chapter's topics with deeper research.

Exercise 20.1 – Test your knowledge

Answer the following questions:

  1. .NET Core 3.0 is cross-platform. Windows Forms and WPF apps can run on .NET Core 3.0. Can those apps therefore run on macOS and Linux?
  2. How does a Windows Forms app define its user interface and why is this a problem?
  3. How can a WPF or UWP app define its user interface and why is this good for developers?
  4. List five layout containers and how their child elements are positioned within them.
  5. What is the difference between Margin and Padding for an element like a Button?
  6. How are event handlers attached to an object using XAML?
  7. What do XAML styles do?
  8. Where can you define resources?
  9. How can you bind the property of one element to a property on another element?
  1. Why might...