public AsynchronousCollection2(RequestCount requestCount, RequestData requestData, SubmitChanges submitChanges, AsynchronousCollection2Settings setting)
     : base(requestCount, requestData, submitChanges, setting)
 {
     RequestDataTimer = new DispatcherTimer();
 }
 public AsynchronousCollection2(RequestCount requestCount, RequestData requestData, AsynchronousCollection2Settings setting)
     : this(requestCount, requestData, null, setting)
 {
 }