ApexLumia.VideoCamera.start C# (CSharp) Метод

        public void start()
        {
            if (captureSource == null)
            {
                // Create the VideoRecorder objects.
                captureSource = new CaptureSource();
                fileSink = new FileSink();

                videoCaptureDevice = CaptureDeviceConfiguration.GetDefaultVideoCaptureDevice();

                // Add eventhandlers for captureSource.
                captureSource.CaptureFailed += new EventHandler<ExceptionRoutedEventArgs>(OnCaptureFailed);

                // Initialize the camera if it exists on the device.
                if (videoCaptureDevice != null)
                {
                    // Create the VideoBrush for the viewfinder.
                    videoRecorderBrush = new VideoBrush();
                    videoRecorderBrush.SetSource(captureSource);
                    videoRecorderBrush.RelativeTransform = new CompositeTransform() { CenterX = 0.5, CenterY = 0.5, Rotation = 90 };
                    viewfinderRectangle.Fill = videoRecorderBrush;

                    // Start video capture and display it on the viewfinder.
                    captureSource.Start();
                    System.Diagnostics.Debug.WriteLine("Started");
                    _isRunning = true;
                }

            }
        }