How to remove watermark

[kmirsalehi]

Hi Jiyoon,

There is no straight forward way to remove a watermark because there is no universal way the watermark is defined within the PDF elements. Please see the following guide, specifically the portion on ElementEdit:

How do I remove a watermark from an existing PDF document?

Q: Is there a way to remove a watermark from an existing PDF document i.e. one not created using PDFNet? -------- A: If the watermark/stamp is represented as a annotation you could use page.AnnotRemove() to remove the annotation object from the page. In watermark/stamp is part of PDF content stream you could remove graphical elements as shown in ElementEdit sample project (http:// www.pdftron.com/pdfnet/samplecode.html#ElementEdit). The only tricky part is how to identify the part of th…