public async Task <USBDevice> RequestDevice(USBDeviceRequestOptions options = null)
{
var internalOptions = new _USBDeviceRequestOptions();
if (options != null)
{
internalOptions.filters =
options.Filters.Select(f =>
new _USBDeviceFilter
{
classCode = f.ClassCode,
productId = f.ProductId,
protocolCode = f.ProtocolCode,
serialNumber = f.SerialNumber,
subClassCode = f.SubClassCode,
vendorId = f.VendorId
}).ToList();
}
else
{
internalOptions.filters = _emptyFilters;
}
USBDevice device = null;
try
{
device = await JSRuntime.Current.InvokeAsync <USBDevice>(REQUEST_DEVICE_METHOD, internalOptions);
}
catch (Exception ex)
{
Console.WriteLine(ex.GetBaseException().Message);
}
return(device);
}
public async Task <USBDevice> RequestDevice(USBDeviceRequestOptions options = null)
{
try
{
if (options == null)
{
options = new USBDeviceRequestOptions {
Filters = _emptyFilters
}
}
;
var device = await JSRuntime.Current.InvokeAsync <USBDevice>(REQUEST_DEVICE_METHOD, options);
device.AttachUSB(this);
return(device);
}
catch (JSException)
{
return(null);
}
}