public static void Run()
{
// ExStart:AddAttachment
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdfFacades_Attachments();
// Open document
PdfContentEditor contentEditor = new PdfContentEditor();
contentEditor.BindPdf(dataDir+ "AddAttachment.pdf");
// Add attachment
contentEditor.AddDocumentAttachment(dataDir+ "test.txt", "Attachment Description");
// Save updated PDF
contentEditor.Save(dataDir+ "AddAttachment_out.pdf");
// ExEnd:AddAttachment
}
}