title: How to compress so that zip-archive has the same timestamp as source file/source folder
body: <p>how do I batch compress some files/folders in individual zip-files so that each individual zip-archive has the correct timestamp (created/modified) as its source file/folder to preserve the chronology of a folder of zip-archives ?</p>
  
  <p>I have downloaded Dotnetzip, using Windows 7..</p>
  
  <p>Thanks for helping !</p>