AForge.Controls.Joystick.GetCurrentStatus C# (CSharp) 메소드

        public Status GetCurrentStatus( )
        {
            JoystickAPI.JOYINFOEX ji = new JoystickAPI.JOYINFOEX( );

            ji.size = System.Runtime.InteropServices.Marshal.SizeOf( ji );
            ji.flags = ( Info.capabilities.axesNumber > 5 ) ? JoystickAPI.JoyPosFlags.ReturnAll :
                requestFlags[Info.capabilities.axesNumber];

            if ( JoystickAPI.joyGetPosEx( Info.ID, ji ) != JoystickAPI.ResultCode.NoError )
            {
                throw new NotConnectedException( "The requested joystick is not connected to the system." );
            }

            return new Status( ji, Info.capabilities );
        }

        /// <summary>
        /// Scanning routine for device input
        /// </summary>
        /// <param name="sender">Event Source</param>
        /// <param name="e">Event arguments</param>
        private void Scan(object sender, DoWorkEventArgs e)
        {
            Joystick joystick = new Joystick(0);
            Joystick.Status status;
            String buttons = "";
            BackgroundWorker worker = (BackgroundWorker) sender;
            while (!worker.CancellationPending)
            {
                status = joystick.GetCurrentStatus();
                buttons = status.Buttons.ToString();
                // action button
                if (buttons != "0")
                {
                    List<string> inputs = buttons.Split(new[] { "Button", ", " }, StringSplitOptions.RemoveEmptyEntries).ToList();

                    SetClickCallBack callBack = SetClick;
                    for (int i = 0; i < Buttons.Length; i++)
                    {
                        Buttons[i].Dispatcher.Invoke(callBack,
                            new object[] {i.ToString(), 
                                inputs.Contains((i+1).ToString())});
                    }
                }
                else
                {
                    SetClickCallBack callBack = SetClick;
                    for (int i = 0; i < Buttons.Length; i++)
                    {
                        Buttons[i].Dispatcher.Invoke(callBack,
                            new object[] {i.ToString(), false});
                    }
                }

                try
                {
                    // navigation button
                    switch ((int)status.XAxis)
                    {
                        case -1:
                            Left.Dispatcher.Invoke(() =>
                                {
                                    Left.Click = true;
                                }
                                );
                            break;
                        case 1:
                            Left.Dispatcher.Invoke(() =>
                                {
                                    Right.Click = true;
                                }
                                );
                            break;
                        default:
                            Left.Dispatcher.Invoke(() =>
                                {
                                    Left.Click = false;
                                }
                                );
                            Left.Dispatcher.Invoke(() =>
                                {
                                    Right.Click = false;
                                }
                                );
                            break;
                    }
                    switch ((int)status.YAxis)
                    {
                        case -1:
                            Up.Dispatcher.Invoke(() =>
                                {
                                    Up.Click = true;
                                }
                                );
                            break;
                        case 1:
                            Down.Dispatcher.Invoke(() =>
                                {
                                    Down.Click = true;
                                }
                                );
                            break;
                        default:
                            Up.Dispatcher.Invoke(() =>
                                {
                                    Up.Click = false;
                                }
                                );
                            Down.Dispatcher.Invoke(() =>
                                {
                                    Down.Click = false;
                                }
                                );
                            break;
                    }
                }
                catch (TaskCanceledException )
                {
                    break;
                }

            }
        }