How to update a PDF object in C# using iTextSharp? -


i'm working itextsharp read hyperlinks pdf document, need change value. i'm getting objects of pdf using loop , can access of them, code in pdf document:

74 0 obj<</f 75 0 r/s/launch>> endobj 75 0 obj(../documents/referenced_document.html) endobj 76 0 obj<</f 77 0 r/s/launch>> endobj

and code in c# read pdf object:

pdfstring pdfstring = (pdfstring)objectitem; string innertext = pdfstring.tostring();

my question is, how can change psfstring value in innertext string? i've searched in properties , methods of pdfstring , pdfobject classes, can't find allow me that.

does know how that?


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