How do I read XML files and base settings in my C# program off the XML file?

Question

Possible Duplicates:
Best practices to parse xml files?
How do I read the contents of an XML element using C#?

I'm trying to make a program in C# that can read an XML file, and search for specific elements. It can then read what's contained in said element, and use it in the program.

How do I read an XML file like that?