private IEnumerable<MessageQueue> GetQueueWithSubQueues(MessageQueue queue)
{
if (this.ShowOnlyNonempty && queue.GetNumberOfMessages() == 0)
{
yield break;
}
yield return queue;
if (queue.GetNumberOfSubqueues() > 0)
{
foreach (string subQueueName in queue.GetSubqueueNames())
{
using (MessageQueue subQueue = new MessageQueue(queue.Path + ";" + subQueueName))
{
yield return subQueue;
}
}
}
}