reader
Parameters
reader
the new status of the card reader. This is a "snapshot," not a live object, so it will not be updated in place to reflect new changes. Instead, a second callback will be made with a second instance of ReaderInfo.
the new status of the card reader. This is a "snapshot," not a live object, so it will not be updated in place to reflect new changes. Instead, a second callback will be made with a second instance of ReaderInfo.