public IMTabWindow(SLNetCom netcom, LLUUID target, LLUUID session, string toName, PrefsManager preferences)
        {
            InitializeComponent();

            this.netcom = netcom;
            this.target = target;
            this.session = session;
            this.toName = toName;
            this.prefs = preferences;

            textManager = new IMTextManager(new RichTextBoxPrinter(rtbIMText), this.netcom, prefs);
        }
        public IMTabWindow(SLNetCom netcom, LLUUID target, LLUUID session, string toName, PrefsManager preferences)
        {
            InitializeComponent();

            this.netcom  = netcom;
            this.target  = target;
            this.session = session;
            this.toName  = toName;
            this.prefs   = preferences;

            textManager = new IMTextManager(new RichTextBoxPrinter(rtbIMText), this.netcom, prefs);
        }