public void AddPhotos(IList <string> paths)
{
if (paths.Count + this.Photos.Count > MaxPhotoUploadLimit)
{
this.WarningMessage = string.Format(CultureInfo.CurrentUICulture, Resources.MaxUploadWarning, MaxPhotoUploadLimit);
}
else
{
try
{
this.IsProcessingPhotos = true;
Task.Factory.StartNew(
() => paths.Except(this.photoPaths).Select(path => Photo.BuildPhotoFromPath(path)).ToArray(),
CancellationToken.None)
.ContinueWith(
photoTask =>
{
this.IsProcessingPhotos = false;
foreach (var photo in photoTask.Result)
{
this.Photos.Add(photo);
}
},
CancellationToken.None,
TaskContinuationOptions.None,
TaskScheduler.FromCurrentSynchronizationContext());
}
catch
{
this.IsProcessingPhotos = false;
}
}
}