/// <summary>
/// Connect to the USB device specified by the DeviceListItem.
/// </summary>
protected UsbDevice(DeviceListItem deviceListItem)
{
WinUsbDeviceHandles handles;
try
{
handles = Winusb.connect(deviceListItem.guid, deviceListItem.deviceInstance);
}
catch (Exception exception)
{
if (exception is Win32Exception && ((Win32Exception)exception).NativeErrorCode == 5) // ERROR_ACCESS_DENIED
{
throw new Exception("Access was denied when trying to connect to the device. "
+ "Try closing all programs using the device.");
}
else
{
throw new Exception("There was an error connecting to the device.", exception);
}
}
device = new MyWinUsbDevice(handles, deviceListItem.serialNumber);
}
