public HttpLoader(HttpRequest.Handler dataHandler = null , HttpRequest.Handler errorHandler = null , HttpRequest.Handler timeoutHandler = null , int nMaxParallelRequest = 3 , float pollInterval = 0.2f) { _nMaxParallelRequest = nMaxParallelRequest; DataHandler = _dataHandler; ErrorHandler = _errorHandler; TimeoutHandler = _timeoutHandler; if (dataHandler != null) { DataHandler = dataHandler; } if (errorHandler != null) { ErrorHandler = errorHandler; } if (timeoutHandler != null) { TimeoutHandler = timeoutHandler; } _aliveRequests = new HashSet <HttpRequest>(); _timer = TimerMgr.REPEAT(MathEx.INFINITE, pollInterval, _onPollRequest); _queuedRequests = new LinkedList <HttpRequest>(); __deadList = new QuickList <HttpRequest>(); __nAliveRequestCount = 0; }