UWP LOAD DRAWING

private async void Load_Click(object sender, RoutedEventArgs e)

        { 

       Windows.Storage.Pickers.FileOpenPicker openPicker =

       new Windows.Storage.Pickers.FileOpenPicker();

            openPicker.SuggestedStartLocation =

                Windows.Storage.Pickers.PickerLocationId.PicturesLibrary;

            openPicker.ViewMode =

                Windows.Storage.Pickers.PickerViewMode.Thumbnail;

            // Filter to include a sample subset of file types.

            openPicker.FileTypeFilter.Clear();

            openPicker.FileTypeFilter.Add(".gif");

            openPicker.FileTypeFilter.Add(".png");

            openPicker.FileTypeFilter.Add(".jpeg");

            openPicker.FileTypeFilter.Add(".jpg");

            // Open the file picker.

            Windows.Storage.StorageFile file =

                await openPicker.PickSingleFileAsync();

            // 'file' is null if user cancels the file picker.

            if (file != null)

            {

                // Open a stream for the selected file.

                // The 'using' block ensures the stream is disposed

                // after the image is loaded.

                using (Windows.Storage.Streams.IRandomAccessStream fileStream =

                    await file.OpenAsync(Windows.Storage.FileAccessMode.Read))

                {

                    // Set the image source to the selected bitmap.

                    Windows.UI.Xaml.Media.Imaging.BitmapImage bitmapImage =

                        new Windows.UI.Xaml.Media.Imaging.BitmapImage();

                    bitmapImage.SetSource(fileStream);

                    simple.Source = bitmapImage;

                  

                }

            }

        }