Back in this post I showed you how you can have a look at the original source code of .NET, including original comments and variable names. In this post we’ll see a few interesting things about WPF’s Dispatcher class. But first some background on the subject. WPF Thread Affinity Almost every WPF element has thread affinity. This means that access to such an element should be made only from the thread that created the element. In order to do so, every element that requires thread affinity is derived...