It's possible to bind a property to an existing application setting using the designer, that way I don't have to write something like
textBox.Text = Settings.Default.Name;
I'll explain how I do it on windows forms with Visual Studio 2010. It is likely similar in newer versions.
... button to the right of
Choose which setting you want the control bound to.
There is a more detailed tutorial at Exploring Secrets of Persistent Application Settings