title: How to stop scrolling of tableview while its cell contain signature pad is used in Swift 4?
body: <p>If cell of tableview contains signature pad and user is signing then tableview move upward making it difficult for user to sign? 
  Is there any solution to stop scrolling  when user is signing?</p>
  
  <p>I'm using <code>EPSignature</code> for signature view .</p>