I have a SerialPort object to control a gsm modem connected to a virtual com port. My problem is that i do not receive any data under Windows XP. The
DataReceived Event is not triggered nor outputs
port.ReadExisting() any data if called periodically. But when i shut down my program and connect with putty to this port, the response of the modem is displayed.
Under Windows 7 data is received correctly.
What could be the problem here?