PdfRpt.PdfReportDocument.runInReleaseMode C# (CSharp) Метод

        private byte[] runInReleaseMode()
        {
            byte[] data = null;
            new Document(DocumentSettings.GetPageSizeAndColor(_pdfRptData.DocumentPreferences),
                        _pdfRptData.DocumentPreferences.PagePreferences.Margins.Left,
                        _pdfRptData.DocumentPreferences.PagePreferences.Margins.Right,
                        _pdfRptData.DocumentPreferences.PagePreferences.Margins.Top,
                        _pdfRptData.DocumentPreferences.PagePreferences.Margins.Bottom)
                        .SafeUsingBlock(pdfDisposable =>
                        {
                            PdfDoc = pdfDisposable;
                            data = createPdf();
                        });
            return data;
        }