title: How to get values from textbox comments in pdf document
body: <p>I have a pdf document, inside are comments lists of 2 types :
  1. Rectangle
  2. Text Box</p>
  
  <p><img src="https://i.stack.imgur.com/YzKKx.jpg" alt="enter image description here"></p>
  
  <p>I want to get values from Text Boxes with c# and itextsharp.</p>