/// <summary> /// Submits an internal I/O control request to the client USB device. /// </summary> /// <param name="device">Device instance for this operation</param> /// <param name="input">This value represents the input buffer for the IO control request.</param> /// <param name="outputBufferSize">The maximum number of bytes the client can return to the server.</param> /// <param name="requestId">This ID uniquely identifies the internal I/O control request.</param> public void InternalIoControl(EusbDeviceContext device, UsbInternalIoControlCode ioControlCode, byte[] input, uint outputBufferSize, uint requestId) { Site.Log.Add( LogEntryKind.Debug, "Sending INTERNAL_IO_CONTROL. Device: {0}, IO control code: {1}, Input buffer size {2}, Output buffer size {3}, Request ID {4}.", device, ioControlCode, null == input ? 0 : input.Length, outputBufferSize, requestId ); EusbInternalIoControlPdu requestPdu = new EusbInternalIoControlPdu(device.UsbDeviceInterfaceId); requestPdu.IoControlCode = ioControlCode; if (input == null) { requestPdu.InputBuffer = null; requestPdu.InputBufferSize = 0; } else { requestPdu.InputBuffer = (byte[])input.Clone(); requestPdu.InputBufferSize = (uint)input.Length; } requestPdu.OutputBufferSize = outputBufferSize; requestPdu.RequestId = requestId; SendPdu(requestPdu, device.VirtualChannel); }