"foreach (IListBlobItem blobItem in blobItems)"

public static void DoTest(string baseURL, string container, string directory, string fileName)
    {
        DateTime t = GetBlockBlobDateTime( baseURL,  container,  directory,  fileName);
        List<string> fileList = GetBlobDirFiles( baseURL,  container,  directory);
    }

    public static DateTime GetBlockBlobDateTime(string baseURL, string container, string directory, string fileName)
    {
        CloudBlobClient blobClient = new CloudBlobClient(baseURL);
        CloudBlobDirectory blobDir = blobClient.GetBlobDirectoryReference(container);
        CloudBlobDirectory subDirectory = blobDir.GetSubdirectory(directory);
        CloudBlockBlob cloudBlockBlob = subDirectory.GetBlockBlobReference(fileName);
        cloudBlockBlob.FetchAttributes();
        DateTime cloudTimeStampUTC = cloudBlockBlob.Properties.LastModifiedUtc;
        return cloudTimeStampUTC;
    }

    public static List<string> GetBlobDirFiles(string baseURL, string container, string directory)
    {
        CloudBlobClient blobClient = new CloudBlobClient(baseURL);
        CloudBlobDirectory blobDir = blobClient.GetBlobDirectoryReference(container);
        CloudBlobDirectory subDirectory = blobDir.GetSubdirectory(directory);
        IEnumerable<IListBlobItem> blobItems = subDirectory.ListBlobs();

        List<string> fileList = new List<string>();
        foreach (IListBlobItem blobItem in blobItems)
        {
            fileList.Add(blobItem.Uri.ToString());
        }
        return fileList;
    }

CloudBlobClient blobClient = new CloudBlobClient(baseURL);

cloudBlockBlob.FetchAttributes();

CloudBlobClient blobClient =
                    new CloudBlobClient(baseURL,
                    new StorageCredentialsAccountAndKey(myAccount, myKey));

var blobList = subDirectory.ListBlobs();
        foreach (var blobInfo in blobList)