private readonly Lazy<Task<QueueClient>> asyncClient;

private readonly QueueClient client;`

public MessageBusService(string connectionString, string queueName)

{

    asyncClient = new Lazy<Task<QueueClient>>(async () =>

    {

        var managementClient = new ManagementClient(connectionString);

​

        var allQueues = await managementClient.GetQueuesAsync();

​

        var foundQueue = allQueues.Where(q => q.Path == queueName.ToLower()).SingleOrDefault();

​

        if (foundQueue == null)

        {

            await managementClient.CreateQueueAsync(queueName);//add queue desciption properties

        }

​

​

        return new QueueClient(connectionString, queueName);

    });

​

    client = asyncClient.Value.Result; 

}