CSReportDll.cReportChart.pGetExt C# (CSharp) Метод

        private String pGetExt()
        {
            String _rtn = "";
            switch (m_imageFormat)
            {
                case csRptChartFormat.BMP:
                    _rtn = ".bmp";
                    break;
                case csRptChartFormat.JPEG:
                    _rtn = ".jpg";
                    break;
                case csRptChartFormat.GIF:
                    _rtn = ".gif";
                    break;
                case csRptChartFormat.PNG:
                    _rtn = ".png";
                    break;
            }
            return _rtn;
        }