jabber.connection.PubSubNode.OnConfigure C# (CSharp) Method

        private void OnConfigure(object sender, IQ iq, object data)
        {
            if (iq == null)
            {
                if (OnError != null)
                    OnError(this, new PubSubException(Op.CONFIGURE, "IQ timeout", null));
                return;
            }

            if (iq.Type != IQType.result)
            {
                string msg = string.Format("Error configuring pubsub node: {0}", iq.Error.Condition);
                Debug.WriteLine(msg);

                if (OnError != null)
                    OnError(this, new PubSubException(Op.CONFIGURE, msg, iq));
                return;
            }
            PubSubOwner ow = iq.Query as PubSubOwner;
            if (ow == null)
            {
                if (OnError != null)
                    OnError(this, new PubSubException(Op.CONFIGURE, "Invalid protocol", iq));
                return;
            }

            OwnerConfigure conf = ow.Command as OwnerConfigure;
            if (conf == null)
            {
                if (OnError != null)
                    OnError(this, new PubSubException(Op.CONFIGURE, "Invalid protocol", iq));
                return;
            }

            IQTracker.TrackerData td = data as IQTracker.TrackerData;
            td.Call(this, iq);
        }