c# - Logging serial port data which is used by another process -


i have third party tool, allows connect device via serial port. connect device, tool sends signal via serial port. need know signal sent via serial port. need data implementing other logic. please suggest me.

one solution setup virtual serial ports using http://com0com.sourceforge.net/ real serial port com1

do com1 <--> app <--> virtualcom1 <-- virtual connection -> virtualcom2 <---- third party tool

your app passes data between virtual com , com1 , can intercept data like


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