PrinterDiscovery
public static class PrinterDiscoveryBest-effort enumeration of USB-attached printers (no extra dependencies, no raw USB access).
Windows: spooler printers on USBnnn ports (printed through the spooler, datatype RAW). Linux:
/dev/usb/lp* device files (usblp kernel driver) plus CUPS queues with usb:// devices. macOS: CUPS queues with usb:// devices (via lpstat -v).Methods
| Method Signature | Returns | Description |
|---|---|---|
static # FindUsbPrintersAsync(CancellationToken ct = default) | Task<IReadOnlyList<DiscoveredPrinter>> | |
static # ParseLpstatDevices(string output) | IReadOnlyList<(string, string)> | Parses lpstat -v output ("device for QUEUE: URI"). |