agsXMPP参考代码

XmppCon.RosterManager.RemoveRosterItem(node.RosterItem.Jid);

        void userConn_OnLogin(object sender)
        {
            FireShowMsg(string.Format("{0} Login", userConn.MyJID.User));
            RegisterIq rIq = new RegisterIq();
            rIq.Type = IqType.set;
            rIq.To = new Jid(userConn.Server);
            rIq.Query.RemoveAccount = true;
            userConn.IqGrabber.SendIq(rIq, new IqCB(OnRemoveAccountResult));
        }

        void OnRemoveAccountResult(object sender, IQ iq, object data)
        {
            userConn.Close();
            FireShowMsg(string.Format("Remove Account:{0} OK",userConn.MyJID.User));
        }