LiveCodingChat.Xmpp.Room.SendPresence C# (CSharp) Method

        public void SendPresence()
        {
            string id="pres:"+xmpp.IDManager.SendPresenceId().ToString();
            StringBuilder sb = new StringBuilder ();
            sb.Append ("<presence to='" + ID + "@chat.livecoding.tv/" + xmpp.Nick + "' id='"+id.ToString()+"' xmlns='jabber:client'>");
            sb.Append (" <x xmlns='http://jabber.org/protocol/muc'/>");
            sb.Append (" <c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='https://candy-chat.github.io/candy/' ver='kR9jljQwQFoklIvoOmy/GAli0gA='/>");
            sb.Append ("</presence>");

            xmpp.Send (sb.ToString (), "presence", id, null);
        }