Chapter 3: The Windows App SDK for a WPF Developer

In the previous chapter, we introduced a wide range of topics – from XAML basics to binding to user controls. It was one of the biggest chapters of the book, since WinUI is significantly different from Windows Forms when it comes to building the user interface (UI).

WinUI, on the other hand, has a familiar feeling for Windows Presentation Foundation (WPF) developers, since it shares many similarities. The most important one, without any doubt, is the UI layer – both technologies are based on XAML. This means that you'll be able to reuse all your existing knowledge when you modernize the UI of your applications.

However, what's the point of a new technology if it doesn't introduce anything new? In this chapter, we're going to learn the main differences between WPF and WinUI so that you can plan accordingly the migration phase of your application.

We'll cover the following topics:

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