private List <CloudBlobDirectory> GetFolders(string containerName, CloudBlobDirectory blobDirectory = null)
{
if (blobDirectory == null)
{
var container = GetContainer(containerName);
var items = container.GetItems(string.Empty).Result;
return(items.OfType <CloudBlobDirectory>().ToList());
}
var children = blobDirectory.GetItems().Result;
return(children.OfType <CloudBlobDirectory>().ToList());
}