onPdfPassword property
The event raised on Pdf password.
//Load an existing PDF document
PdfDocument document =
PdfDocument(inputBytes: File('input.pdf').readAsBytesSync())
//Subsribe the onPdfPassword event
..onPdfPassword = loadOnPdfPassword;
//Access the attachments
PdfAttachmentCollection attachmentCollection = document.attachments;
//Iterates the attachments
for (int i = 0; i < attachmentCollection.count; i++) {
//Extracts the attachment and saves it to the disk
File(attachmentCollection[i].fileName)
.writeAsBytesSync(attachmentCollection[i].data);
}
//Disposes the document
document.dispose();
void loadOnPdfPassword(PdfDocument sender, PdfPasswordArgs args) {
//Sets the value of PDF password.
args.attachmentOpenPassword = 'syncfusion';
}
Implementation
PdfPasswordCallback? onPdfPassword;