/// <summary>
        /// Triggered when webcam feed loads both for the first time and every time page is navigated to.
        /// If no WebcamHelper has been created, it creates one. Otherwise, simply restarts webcam preview feed on page.
        /// </summary>
        private async void WebcamFeed_Loaded(object sender, RoutedEventArgs e)
        {
            if (webcam == null || !webcam.IsInitialized())
            {
                // Initialize Webcam Helper
                webcam = new WebcamHelper();
                await webcam.InitializeCameraAsync();

                // Set source of WebcamFeed on MainPage.xaml
                WebcamFeed.Source = webcam.mediaCapture;

                // Check to make sure MediaCapture isn't null before attempting to start preview. Will be null if no camera is attached.
                if (WebcamFeed.Source != null)
                {
                    // Start the live feed
                    await webcam.StartCameraPreview();
                }
            }
            else if(webcam.IsInitialized())
            {
                WebcamFeed.Source = webcam.mediaCapture;

                // Check to make sure MediaCapture isn't null before attempting to start preview. Will be null if no camera is attached.
                if (WebcamFeed.Source != null)
                {
                    await webcam.StartCameraPreview();
                }
            }
        }