How to: Attach a File to a Document
- 2 minutes to read
Important
You require a license to the DevExpress Office File API or DevExpress Universal Subscription to use these examples in production code. Refer to the DevExpress Subscription page for pricing information.
This example shows how to programmatically attach a file to the PDF document.
To do this:
- Create a PdfFileAttachment object;
- Specify the attachment creation date, description, and file name using PdfFileAttachment.CreationDate, PdfFileAttachment.Description, and PdfFileAttachment.FileName properties. To specify the data for the attachment, use the PdfFileAttachment.Data property;
- If required, you can specify additional properties of an attached file, for example, the file’s mime type and relationship using PdfFileAttachment.MimeType and PdfFileAttachment.Relationship properties, respectively.
- Call the PdfDocumentProcessor.AttachFile method with a file attachment object used as a parameter.
- Save the attachment to a document by calling the PdfDocumentProcessor.SaveDocument method.
Note
A complete sample project is available at https://github.com/DevExpress-Examples/how-to-attach-a-file-to-the-document-t304234
using DevExpress.Pdf;
using System;
using System.IO;
namespace AttachFile {
class Program {
static void Main(string[] args) {
using (PdfDocumentProcessor processor = new PdfDocumentProcessor()) {
// Load a document.
processor.LoadDocument("..\\..\\Document.pdf");
// Attach a file to the PDF document.
processor.AttachFile(new PdfFileAttachment() {
CreationDate = DateTime.Now,
Description = "This is my attach file.",
FileName = "MyAttach.txt",
Data = File.ReadAllBytes("..\\..\\FileToAttach.txt")
});
// The attached document.
processor.SaveDocument("..\\..\\Result.pdf");
}
}
}
}
See Also