Dear all, I am evaluating Aspose.PDF, how to insert a watermark into existing .PDF .. I am trying to use codes below, but no luck:
private void createSignedPDF(string originalfolder, string filename, string Signedfold…...signedfolder) { try { //open document string pdffile = originalfolder...+ filename; Document pdfDocument = new Document(pdffile); //set...