itextsharp adding header and footer, displayed inside the page margin not outside the page margin.

Question

I am new to ItextSharp, just wondering how to place header and footer outside the margin after end of page event? it seems when i used the onendpage event instead of adding the

Answer 1

found it, i just use columntext, though i really like not to use columntext :) and use the setsimplecolumn.