connect method

@override Future connect({ Duration? timeout = const Duration(seconds: 5), })

Implementation

@override
Future connect({Duration? timeout = const Duration(seconds: 5)}) async {
  if (Platform.isWindows) {
    try {
      docInfo = calloc<DOC_INFO_1>()
        ..ref.pDocName = pDocName
        ..ref.pOutputFile = nullptr
        ..ref.pDatatype = pDataType;
      szPrinterName = printer.name!.toNativeUtf16();

      final phPrinter = calloc<HANDLE>();
      if (OpenPrinter(szPrinterName, phPrinter, nullptr) == FALSE) {
        return true;
      } else {
        this.hPrinter = phPrinter.value;
      }
    } catch (e) {
      return Future.error(e.toString());
    }
  } else if (Platform.isAndroid) {
    var usbDevice =
        await usbPrinter.connect(printer.vendorId!, printer.productId!);
    if (usbDevice == null) {
      return Future.error('Usb device is empty');
    }
  }
}