SerialDevice.OutputDriverName
From Xojo Documentation
Read-Only Property (As String )
StringValue = aSerialDevice.OutputDriverName
New in 2019r2
Supported for all project types and targets.
New in 2019r2
Supported for all project types and targets.
The name of the output driver.
Example
This example gets the name of the output drive for the serial device at index 0.
TextField1.Value = SerialDevice.At(0).OutputDriverName