Target Platform/Framework: Desktop, Web, Mobile
DevExpress Product Libraries Used: .NET Office File API (https://www.devexpress.com/officefileapi)
Available in the following DevExpress Subscription(s): Universal, Office File API
//Load a Word file, add text watermark, and export to PDF
using var wordProcessor = new RichEditDocumentServer();
wordProcessor.LoadDocument("wordFile.docx");
wordProcessor.Document.WatermarkManager.SetText("CONFIDENTIAL");
MemoryStream pdfStream = new MemoryStream();
wordProcessor.ExportToPdf(pdfStream);
//Load an Excel workbook, calculate formulas, and export to PDF
using var workbook = new Workbook();
workbook.LoadDocument("spreadsheetFile.xlsx");
workbook.Calculate();
MemoryStream pdfStream = new MemoryStream();
workbook.ExportToPdf(pdfStream);
Convert multiple files to PDF and merge into a single file
//Load a Word file and export to PDF
using var wordProcessor = new RichEditDocumentServer();
wordProcessor.LoadDocument("wordFile.docx");
MemoryStream docStream1 = new MemoryStream();
wordProcessor.ExportToPdf(docStream1);
docStream1.Position = 0;
//Load an Excel workbook and export to PDF
using var workbook = new Workbook();
workbook.LoadDocument("spreadsheetFile.xlsx");
MemoryStream docStream2 = new MemoryStream();
workbook.ExportToPdf(docStream2);
docStream2.Position = 0;
//Merge two PDF documents into a single file
using var pdfProcessor = new PdfDocumentProcessor();
pdfProcessor.CreateEmptyDocument();
pdfProcessor.AppendDocument(docStream1);
pdfProcessor.AppendDocument(docStream2);
MemoryStream mergedPdfStream = new MemoryStream();
pdfProcessor.SaveDocument(mergedPdfStream);
mergedPdfStream.Position = 0;
Licensing
DevExpress Document Processing APIs are included in the following DevExpress subscriptions: