[
  {
    "Id": "916230",
    "ThreadId": "396544",
    "Html": "\r\n<p>Hi all,</p>\r\n<p>I'm working on an existing zip archive, and trying to save changes to it.</p>\r\n<p>One of the operations I do during the save, is to add the content of some directory, again and again every time I save.</p>\r\n<p>I get&nbsp;&quot;an item with the same key has already been added&quot; exception when using AddSelectedFiles:</p>\r\n<p><strong>_zipFile.AddSelectedFiles(excludeList, dirPath, &quot;&quot;, true);</strong></p>\r\n<p>It is possible that some entries that the save is now adding, already exist, obviously, but I just want to add them anyway but I didn't see how I can overwrite them.</p>\r\n<p>BTW, when the zip file is a new one, and doesn't contain any entries, there's no problem.</p>\r\n<p>Any idea how to solve this?</p>\r\n<p>Thanks.</p>\r\n",
    "PostedDate": "2012-09-23T01:59:58.67-07:00",
    "UserRole": null,
    "MarkedAsAnswerDate": null
  }
]