annotations

We create a file with specific /XYZ destinations and we change the zoom factor of these destinations. These examples were written in the context of questions such as: How to set the zoom level of a PDF using iTextSharp? How to change the zoom factor in link annotations?
I want to change only zoom property of links.
I am using iTextSharp for searching internal links in a PDF file. I already have code to find external links, but I don't know what to do to find internal links...
I would like to add a link to an existing pdf that jumps to a coordinate on another page.
I would like to add a bitmap stamp to a PDF file, that would be either printable or non-printable depending on the actual Acrobat Reader print settings.
In a PDF, I can set up a button to: Submit the FDF data to my RestAPI Redirect to a webpage (to tell user 'Thanks') and that works perfectly. But I need to do this using code..
Hi I am adding Caret annotation in already existing PDF using iTextSharp in C#. Now I want to made some changes in the Annotation properties, such as Opacity of color and Locked .