Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...

The World's Simplest C# WPF MVVM Example as described here. A C# 9 (.NET 5.0) version of the code can be found in the C#9.0 branch. A C# 8 (.NET Core 3.0) version of the code can be found in the c#8.0 ...