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  • Windows 7 Empty Zip File

    Hello, We've been using ICSharpCode.SharpZipLib.Zip on a 2003 Server for a long time without issue. Our user base is on terminal server (2003). Today they are opening the Zip file using WinZip without problem. The goal is to migrate the users toward a Windows 7 solution without WinZip and using the...
    Posted to Forum by Jmh on 07-11-2011
  • Re: Library cannot extract this entry. Version required is (16660)

    hi, I downloaded the source for the version 0.85.4.369 and changed the code in Zipentry.cs like below.. if (versionToExtract != 0) { //return versionToExtract; // original return versionToExtract & 0xff; // changed In the above code 16660 is converted into 20 and it works, means unzips properly before...
    Posted to Forum by Devaraja on 08-21-2008
  • Re: Library cannot extract this entry. Version required is (16660)

    John, Yes, the files are valid zip files, i can able to extract from windows manually but not thro code, while doing am getting above error. I downloaded the source and set VERSION_MADE_BY to 16660; in ZipConstants.cs class and added (Version == 16660) in version ckecking in ZIpEntry class. Its working...
    Posted to Forum by Devaraja on 08-11-2008
  • Library cannot extract this entry. Version required is (16660)

    Hi, I am getting above error while trying to unzip the files using SharpZipLib dll. it works for some zipfiles and for some zipfiles its throwing the above error. i am using the latest dll version 0.85.4.369, still getting the above error. using ( ZipInputStream s = new ZipInputStream ( File .OpenRead...
    Posted to Forum by Devaraja on 08-07-2008
  • Unseekable output stream to zip to can not unzip due to Zip64

    Hi, I am using SharpZipLib to zip to an output stream that happens to be unseekable. Which then forces Zip64 on me. The problem, however is that when reading the resulting file using the ZipInputStream class (not the ZipFile class) the getNextEntry() method has no way of determining that Zip64 was used...
    Posted to Forum by LightningStorm on 06-02-2008
  • Exception while adding files to Zip64 archive

    I use next code to create zip archive: using (FileStream inputStream = File.OpenRead(sourceFileName)) { using (ZipOutputStream outputStream = new ZipOutputStream(File.Create(zipFileName))) { outputStream.UseZip64 = UseZip64.Dynamic; outputStream.SetLevel(compressionLevel); ZipEntry entry = new ZipEntry...
    Posted to Forum by Serial on 02-25-2008
  • SharpZiplib:Zip64 is forced when UseZip64 is set to Dynamic

    I'm trying to compress file using ZIp format. Though UseZip64 is set to Dynamic a simple text file that contains one line is compressed to Zip64 archive. I assume that it should choose to use zip64 or not based on file size or number of files in archive. Is my assumption correct?
    Posted to Forum by Aliaksandr Pedzko on 02-21-2008
  • How backup bunch of files that the amount is over 8Gb? look mt code...

    Hy, I a need to backup a bunch of files and the total amount is over 4 GB. I think I need to use Zip64 but I do not how... I tryed to use ICSharp ZLib library and write the data in chunk but it does not work because I vahe to change the entry.crc and when I call PuNextEntry of ZipOutput the stream finish...
    Posted to Forum by Rikace74 on 01-15-2008
  • Wrong local header signature @FFFFFFFF

    I've got a 4.66Gb zip64 file created with SharpZipLib, and I get a ZipException "Wrong local header signature @FFFFFFFF" when trying to extract it. WinRAR said the file tests OK, so I dug into the SharpZipLib source and found that ZipEntry.Offset is 0xFFFFFFFF (as are Size and CompressedSize). WriteCentralDirectoryHeader...
    Posted to Forum by Mark Lambert on 05-15-2007
  • Invalid Zip64 Central directory signature error

    I'm trying to convert my app from using 0.84 to use 0.85 with Zip64 support so that I can work with large files, but I've run into another problem in addition to the ExtraData problem . I'm using a ZipOutputStream to write my zip file and when adding only small files everything works as expected -- I...
    Posted to Forum by sgibson on 04-25-2007
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