I tested it according to your needs, but found that currently Zoom property has gone (may be deprecated) for the Barcode Scanner control, it won't act like the scan feature in other Apps either to recognize QR and zoom in automatically.
I tested it according to your needs, but found that currently Zoom property has gone (may be deprecated) for the Barcode Scanner control, it won't act like the scan feature in other Apps either to recognize QR and zoom in automatically.