public async Task CheckDownloadStatusAsync(IReadOnlyList <DownloadOperation> operations)
{
ImageItem.Init();
var task = ImageItem.DownloadBitmapForListAsync();
var folder = await AppSettings.Instance.GetSavingFolderAsync();
var item = await folder.TryGetItemAsync(ImageItem.GetFileNameForDownloading());
if (item != null)
{
if (item is StorageFile file)
{
_resultFile = file;
var prop = await _resultFile.GetBasicPropertiesAsync();
if (prop.Size > 0)
{
Progress = 100;
}
}
}
if (Progress != 100)
{
var downloadOperation = operations.Where(s => s.Guid == DownloadOperationGUID).FirstOrDefault();
if (downloadOperation != null)
{
var progress = new Progress <DownloadOperation>();
progress.ProgressChanged += Progress_ProgressChanged;
_cts = new CancellationTokenSource();
await downloadOperation.StartAsync().AsTask(_cts.Token, progress);
}
else
{
DisplayIndex = (int)DisplayMenu.Retry;
}
}
}