Define "can not be viewed".  Any file can be opened in a text editor ... 
whether or not the contents mean anything is a result of the data in the 
file and possible some sort of encryption applied.  If you want to prevent 
casual reading of the file -- you can't prevent editing and possibly 
rendering the file useless -- perhaps this might do what you want... 
http://vbnet.mvps.org/code/algorithms/rot39.htm

-- 

Randy Birch
MVP Visual Basic
http://vbnet.mvps.org/
Please respond only to the newsgroups so all can benefit.


"Blueyonder"  wrote in message 
news:EWDBc.125002$B63.111165{at}doctor.cableinet.net...
: Hi All
:
: Does anybody know how to write to a file so that the contents cannot be
: viewed by a text editor?
:
:
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