[
  {
    "Id": "253993",
    "ThreadId": "74246",
    "Html": "<p>I have an older zip file from a CD I created. It reads no problem with WinZip. I get a false when I test with ZipFile.IsZipFile(filename,true). I also attempted to extract with the WinForms Zip Tool and I get the error:<strong> Faisled to extract entry ASCII.CB -- Entry ASCII.CB uses an unsupported compression method (0x06, Unknown (0x0006))</strong>.</p>\r\n<p>The original file was probably created with PKZIP. I believe the compression method was called Implode. I can send you a copy of the file and PKZIP if required. Here is a link to the header information:&nbsp; http://petlibrary.tripod.com/ZIP.HTM.</p>",
    "PostedDate": "2009-11-05T14:41:30.043-08:00",
    "UserRole": null,
    "MarkedAsAnswerDate": null
  },
  {
    "Id": "254019",
    "ThreadId": "74246",
    "Html": "<p>Hey there -</p>\r\n<p>I definitely do not want that zip file.&nbsp; I think you are asking me to implement the Implode algorithm, which seems like it would not be a small amount of work.</p>\r\n<p>&nbsp;</p>",
    "PostedDate": "2009-11-05T15:48:01.113-08:00",
    "UserRole": null,
    "MarkedAsAnswerDate": null
  },
  {
    "Id": "254049",
    "ThreadId": "74246",
    "Html": "<p>How about returning an error reason like, unsupported compression, instead of not a valid zip file?</p>\r\n<p>&nbsp;</p>",
    "PostedDate": "2009-11-05T18:23:18.583-08:00",
    "UserRole": null,
    "MarkedAsAnswerDate": null
  },
  {
    "Id": "254098",
    "ThreadId": "74246",
    "Html": "This discussion has been copied to a work item. Click <a href=\"http://dotnetzip.codeplex.com/WorkItem/View.aspx?WorkItemId=9132\">here</a> to go to the work item and continue the discussion.",
    "PostedDate": "2009-11-05T21:52:27.98-08:00",
    "UserRole": null,
    "MarkedAsAnswerDate": null
  },
  {
    "Id": "256291",
    "ThreadId": "74246",
    "Html": "<p>Hey jprumos,</p>\r\n<p>I just looked a little more closely at this and found that IsZipFile(file) returns TRUE, in fact it is a zip file.</p>\r\n<p>IsZipFile(string, boolean) returns false, when the boolean param is true, which makes sense because the library cannot extract the zip file.&nbsp;</p>\r\n<p>So I think this is correct behavior.&nbsp;&nbsp;</p>\r\n<p>I'm going to close this workitem.</p>\r\n<p>&nbsp;</p>",
    "PostedDate": "2009-11-12T05:00:23.74-08:00",
    "UserRole": null,
    "MarkedAsAnswerDate": null
  },
  {
    "Id": "256774",
    "ThreadId": "74246",
    "Html": "<p>Thank You for your response. I will check without using the boolean if the test fails with it.</p>",
    "PostedDate": "2009-11-13T07:18:48.947-08:00",
    "UserRole": null,
    "MarkedAsAnswerDate": null
  }
]