BarcodeReaderLib.CameraNavigatePage.OnNavigatedTo C# (CSharp) Method

        protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
        {
            // Initialize the camera object
            _phoneCamera = new PhotoCamera();
            _phoneCamera.Initialized += Camera_Initialized;
            
            //Display the camera feed in the UI
            viewfinderBrush.SetSource(_phoneCamera);
            
            // This timer will be used to scan the camera buffer every 250ms and scan for any barcodes
            _scanTimer          = new DispatcherTimer();
            _scanTimer.Interval = TimeSpan.FromMilliseconds(250);
            _scanTimer.Tick += (o, arg) => ScanForBarcode();

            CameraButtons.ShutterKeyHalfPressed += CameraButtons_ShutterKeyHalfPressed;

            base.OnNavigatedTo(e);
        }