public void OnCampaignListener_OnCampaignLoadFail(string param) { string[] callbackData = Regex.Split(param, DELIMITER); if (callbackData.Length == 3) { string adspaceName = callbackData[0]; int errorCode = int.Parse(callbackData[1]); string errorMessage = callbackData[2]; if (listener != null) { listener.OnCampaignLoadFail(adspaceName, errorCode, errorMessage); } } }