Write a XML file

Hi,

I want to write a XML file to save many informations ( position , size... of my window for example ) and i'dont know how i can do it ,

i used this method " http://zone.ni.com/reference/en-XX/help/371361H-01/lvconcepts/parsing_xml_files_in_lv/ " but it not work .

Are you have a other method to do this ?

thank youu for your help .