//15052008WRP - Measure category title size
        protected Size DrawCategoryTitleMeasure(Report rpt, Graphics g, string t, Style a)
        {
            Size size = Size.Empty;
            Row r = FirstChartRow(rpt);

            if (t == null || t == "")
                return size;

            if (a != null)
                size = a.MeasureString(rpt, g, t, t.GetTypeCode(), r, int.MaxValue);
            else
                size = Style.MeasureStringDefaults(rpt, g, t, t.GetTypeCode(), r, int.MaxValue);

            return size;
        }