arduino interfacing with c#

Using Arduino Interfacing w/ Software on the Computer
#1

any idea how to read pin status of arduino in c#

#2

any idea how to read pin status of arduino in c#

The same way you'd read files on my computer. You don't. You can send me a message, and I'll send you the file. You send a message to the Arduino asking it to read the state of a pin for you.

#3