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)

Decompiling assemblies

One of the best ways to learn how to code for .NET is to see how professionals do it.

For learning purposes, you can decompile any .NET assembly with a tool like ILSpy.

Good Practice: You could decompile someone else's assemblies for non-learning purposes but remember that you are viewing their intellectual property so please respect that.

  1. If you have not already installed the ILSpy .NET Decompiler extension for Visual Studio Code, then search for it and install it now.
  2. In Visual Studio Code, navigate to View | Command Palette… or press Cmd + Shift + P.
  3. Type ilspy and then select ILSpy: Decompile IL Assembly (pick file).
  4. Navigate to the Code/Chapter07/DotNetCodeEverywhere/bin /Release/netcoreapp3.0/win10-x64 folder.
  5. Select the System.IO.FileSystem.dll assembly and click Select assembly.
  6. In the EXPLORER window, expand ILSPY DECOMPILED MEMBERS, select the assembly, and note the two edit...