public void CloneInBackground(ContentFile newFile, string fileName, int eventId, Uri sourceUri)
{
Task <Uri> t = FileManager.CloneBlobAsync(fileName, eventId, sourceUri);
t.ContinueWith((finishedTask) =>
{
newFile.Url = finishedTask.Result;
lock (_context)
{
_context.ContentFiles.Add(newFile);
_context.SaveChanges();
}
});
}