public async Task<StorageFile> DownloadImageAsync(Uri fileUri, StorageFolder folder, string fileName)
{
var file = await folder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);
var downloader = new BackgroundDownloader();
var download = downloader.CreateDownload(fileUri, file);
var res = await download.StartAsync();
ImageItem item = new ImageItem(file);
await item.LoadImageFromDisk();
m_images.Add(item);
return file;
}
async Task processImageFiles(StorageFolder folder)
{
var fileQuery = await folder.GetFilesAsync();
foreach (var file in fileQuery)
{
ImageItem item = new ImageItem(file);
await item.LoadImageFromDisk();
m_images.Add(item);
}
}