serial port HELP

i need to make a program that would "talk" to an output device that i made.
i have never made a port program before and i would like some examples, tutroials, or tips

popa6200
hello popa6200
you should search msdn for "Serial Port Communications "
http://msdn.microsoft.com/en-us/library/aa363140(v=vs.85).aspx
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