Controls render canvas with qrcode based od Url property. It only support Client Side rendering.
You can do this:
<dc:QrCode Content="{value: Url}"></dc:QrCode>
<dc:QrCode Content="https://www.google.com/"></dc:QrCode>
This contrib control requires resource "jquery". You could add this resource by libman.
Used script is copied from https://github.com/jeromeetienne/jquery-qrcode. QRErrorCorrectLevel - have default value set to QRErrorCorrectLevel.H => highest possible value