need sample

Can anyone point me to some sample c# code on how to set up the logger and fileappender?
I've tried following the examples in the supplied documentation but I don't understand it all.

For example,

ILog log =  LogManager.GetLogger(typeof(Form1));
FileAppender fa = new FileAppender("c:\\znewlog.txt");

This fails because fileappender constructor is looking for another parameter
of type ILayout. I can't find any example of what Ilayout is or how to pass
it in.

Also, If I decide to use a config file to do this, how do you link the logger to the config file (make it look there for it's settings)?

Thanks,
Rut

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