Xceed Zip for COM/ActiveX on x86/x64 Documentation
Xceed Zip control reference / Xceed Zip control warnings / xwrSecurityVersion constant
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    xwrSecurityVersion constant
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    Value

    310

    Description

    Could not restore a file's security information from the zip file because the security descriptor version is not recognized.

    Tips

    The zip file was created with an application that creates security extra headers that are not currently supported by Xceed Zip Compression Library. The file will be unzipped anyway, but without restoring its security information. If you come across a zip file that produces this warning, we suggest you contact Xceed Software and let us know.