PdfRpt.VectorCharts.PieChart.sanityCheck C# (CSharp) Method

        private void sanityCheck()
        {
            if (PdfFont == null)
                throw new NullReferenceException("`PdfFont` is null.");

            if (ContentByte == null)
                throw new NullReferenceException("`ContentByte` is null.");

            if (Segments == null)
                throw new NullReferenceException("`Segments` is null.");

            if (!Segments.Any())
                throw new InvalidOperationException("There is no PieChartSegment to draw.");
        }