BeerDrinkin.iOS.DiscoverViewController.PictureImport C# (CSharp) Метод

        void PictureImport()
        {
            if (!UIImagePickerController.IsSourceTypeAvailable(UIImagePickerControllerSourceType.Camera))
                return;

            var imagePicker = new UIImagePickerController();
            imagePicker.SourceType = UIImagePickerControllerSourceType.Camera;
            PresentViewController(imagePicker, true, null);
            imagePicker.Canceled += async delegate
            {
                await imagePicker.DismissViewControllerAsync(true);
            };

            imagePicker.FinishedPickingMedia += async (object s, UIImagePickerMediaPickedEventArgs e) =>
            {
                try
                {
                    await imagePicker.DismissViewControllerAsync(true);

                    var image = e.OriginalImage;
                    Acr.UserDialogs.UserDialogs.Instance.ShowLoading("Uploading photo");

                    var stream = ScaledImage(image, 500, 500).AsPNG().AsStream();
                    await viewModel.LookupImage(stream);
                    Acr.UserDialogs.UserDialogs.Instance.HideLoading();

                }
                catch (Exception ex)
                {
                    Acr.UserDialogs.UserDialogs.Instance.ShowError(ex.Message);
                }
            };
        }