CloudBlobContainer.BeginFetchAttributes Method (BlobRequestOptions, AsyncCallback, Object)

static void FetchContainerAttributesAsync(Uri blobEndpoint, string accountName, string accountKey)
{
    //Create service client for credentialed access to the Blob service.
    CloudBlobClient blobClient = 
        new CloudBlobClient(blobEndpoint, new StorageCredentialsAccountAndKey(accountName, accountKey));

    //Get a reference to a container.
    CloudBlobContainer container = blobClient.GetContainerReference("mycontainer");

    //Populate the container's properties and metadata.
    container.BeginFetchAttributes(FetchContainerAttributesCallback, container);
}

static void FetchContainerAttributesCallback(IAsyncResult result)
{
    CloudBlobContainer container = (CloudBlobContainer)result.AsyncState;

    //Handle the exception in case the container does not exist.
    try
    {
        //End the operation.
        container.EndFetchAttributes(result);

        //List some container properties.
        Console.WriteLine("Container: " + container.Name);
        Console.WriteLine();

        Console.WriteLine("Container properties:");
        Console.WriteLine("\tLastModifiedUTC: " + container.Attributes.Properties.LastModifiedUtc);
        Console.WriteLine("\tETag: " + container.Attributes.Properties.ETag);
        Console.WriteLine();

        //Enumerate the container's metadata.
        foreach (var metadataKey in container.Metadata.Keys)
        {
            Console.WriteLine("Metadata name: " + metadataKey.ToString());
            Console.WriteLine("Metadata value: " + container.Metadata.Get(metadataKey.ToString()));
        }
    }
    catch (StorageClientException e)
    {
        if (e.ErrorCode == StorageErrorCode.ResourceNotFound)
        {
            Console.WriteLine("Container does not exist.");
        }
        else
        {
            Console.WriteLine(e.ErrorCode);
        }
    }
}