title: How to write an RS232 sniffer in C#
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/358037/in-c-how-could-i-listen-to-a-com-serial-port-that-is-already-open">In C# how could I listen to a COM (Serial) Port that is already open?</a>  </p>
  </blockquote>
  
  
  
  <p>I have a device that communicates with a computer through RS232 (with a USB adapter which doesn't matter). I need to somehow record/log data. I found software to do that but I need something of my own so I can do some other nifty stuff later on as well as during log/capture/sniffing.</p>