Can Serial Port connection triggers an Event

Question

I have a ComboBox that list out available COM ports. If there are new serial ports (e.g. USB) connected to computer in run-time, I have to trigger an event (e.g. Button) to run SerialPort.GetPortNames() and refreshes the ComboBoxItems. I wonder if it's possible to auto trigger an event once a new Serial Port is connected? (I know it's impossible for RS323, but at least for USB)

To my knowledge, this is not possible. You will need to poll. — Christian Madsen

Ryan Alford Ryan Alford · Accepted Answer · 2011-04-06T11:53:12

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Can Serial Port connection triggers an Event

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