BarcodeReaderLib.CameraNavigatePage.Camera_Initialized C# (CSharp) Method

        void Camera_Initialized(object sender, Microsoft.Devices.CameraOperationCompletedEventArgs e)
        {
            if (e.Succeeded)
            {
                this.Dispatcher.BeginInvoke(delegate()
                {
                    _phoneCamera.FlashMode = FlashMode.Off;
                    _previewBuffer         = new WriteableBitmap((int)_phoneCamera.PreviewResolution.Width, 
                                                                 (int)_phoneCamera.PreviewResolution.Height);

                    _barcodeReader = new BarcodeReader();

                    _barcodeReader.TryHarder = true;
                    _barcodeReader.ResultFound += BarcodeReader_ResultFound;
                    _scanTimer.Start();

                    OpticalReaderTask.TaskPending = true;
                });
            }
            else
            {
                Dispatcher.BeginInvoke(() =>
                {
                    MessageBox.Show("Unable to initialize the camera");
                });
            }
        }