How to get a List collection of values from app.config in WPF?

Question

The following example fills the ItemsControl with a List of BackupDirectories which I get from code.

How can I change this

Answer 1

In App.config:

In C#:

string[] InFormOfStringArray = ConfigurationManager.AppSettings["YOURKEY"].Split(',').Select(s => s.Trim()).ToArray();
List list = new List(InFormOfStringArray);