private void OrderReceived(object sender, System.Messaging.ReceiveCompletedEventArgs e)
{
System.Messaging.XmlMessageFormatter formatter = new System.Messaging.XmlMessageFormatter(new Type[] { typeof(WorkOrder) });
System.Messaging.Message msg = messageQueueVehiclesToAssemble.EndReceive(e.AsyncResult);
msg.Formatter = formatter;
WorkOrder workOrder = msg.Body as WorkOrder;
// start waiting for the next message
messageQueueVehiclesToAssemble.BeginReceive();
FireMessage(workOrder);
}