winforms - How to use SerialPort in .Net by using DataReceived event?

Question

I know the DataReceived event is fired on a background thread. How do I tell the GUI thread to show the data in the event handler?

Answer 1

You can use the IsInvokeRequired and BeginInvoke methods on your form to switch control back to the UI thread.

In some cases, I've also used a timer to watch for changes in some shared data structure like a list of messages. But that works best when you've got a pretty steady stream of messages coming from some background thread.