protected override void Execute(CodeActivityContext context)
{
List <string> files = new List <string>();
string filePath = FilePath.Get(context);
string fileFolderPath = Path.GetDirectoryName(filePath);
// Get current working directory
string currentDirectory = Directory.GetCurrentDirectory();
//Load the PDF document
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(filePath);
//Get first page from document
PdfLoadedPage page = loadedDocument.Pages[0] as PdfLoadedPage;
//Get the annotation collection from pages
PdfLoadedAnnotationCollection annotations = page.Annotations;
//Iterates the annotations
foreach (PdfLoadedAnnotation annot in annotations)
{
//Check for the attachment annotation
if (annot is PdfLoadedAttachmentAnnotation)
{
PdfLoadedAttachmentAnnotation file = annot as PdfLoadedAttachmentAnnotation;
//Extracts the attachment and saves it to the disk
FileStream stream = new FileStream(file.FileName, FileMode.Create);
stream.Write(file.Data, 0, file.Data.Length);
stream.Dispose();
}
}
//Iterates through the attachments
if (loadedDocument.Attachments.Count != 0)
{
foreach (PdfAttachment attachment in loadedDocument.Attachments)
{
string fullPath = fileFolderPath + "\\" + attachment.FileName;
//Extracts the attachment and saves it to the disk
FileStream stream = new FileStream(fullPath, FileMode.Create);
stream.Write(attachment.Data, 0, attachment.Data.Length);
files.Add(fullPath);
stream.Dispose();
}
}
//Close the document
loadedDocument.Close(true);
Files.Set(context, files);
}
static void Main(string[] args)
{
//Load the PDF document
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("../../../../../../Data/Attachment.pdf");
//Get first page from document
PdfLoadedPage page = loadedDocument.Pages[0] as PdfLoadedPage;
//Get the annotation collection from pages
PdfLoadedAnnotationCollection annotations = page.Annotations;
//Iterates the annotations
foreach (PdfLoadedAnnotation annot in annotations)
{
//Check for the attachment annotation
if (annot is PdfLoadedAttachmentAnnotation)
{
PdfLoadedAttachmentAnnotation file = annot as PdfLoadedAttachmentAnnotation;
//Extracts the attachment and saves it to the disk
FileStream stream = new FileStream(file.FileName, FileMode.Create);
stream.Write(file.Data, 0, file.Data.Length);
stream.Dispose();
}
}
//Iterates through the attachments
if (loadedDocument.Attachments.Count != 0)
{
foreach (PdfAttachment attachment in loadedDocument.Attachments)
{
//Extracts the attachment and saves it to the disk
FileStream stream = new FileStream(attachment.FileName, FileMode.Create);
stream.Write(attachment.Data, 0, attachment.Data.Length);
stream.Dispose();
}
}
//Close the document
loadedDocument.Close(true);
}
