Xceed Zip for COM/ActiveX on x86/x64 Documentation
Xceed Zip control reference / Xceed Zip control properties / IgnoredExtraHeaders property
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    IgnoredExtraHeaders property
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    Description

    The IgnoredExtraHeaders property lets you control what type of supplemental file information should be ignored when accessing files that are already contained in a zip file.

    Data type

    xcdExtraHeader

    Possible values

    Enum Value Meaning
    xehNone 0 No extra headers will be stored or retrieved.
    xehExtTimeStamp 1 Store/Retrieve extended time-stamp information about a file using a header format defined by the Info-Zip group. Time-stamp information is stored in UNIX format and includes the last modification date and time, the last accessed date and time and the creation date and time.
    xehFileTimes 2 Store/Retrieve extended time-stamp information about a file using a header format defined by PKWARE®. Time-stamp information is stored in Windows NT format and includes the last modification date and time, the last accessed date and time and the creation date and time.
    xehSecurityDescriptor 4 Store/Retrieve the Windows NT file security information header.
    xehUnicode 8 Store/Retrieve the UNICODE filename header.
    xehUTF8Filename 32 The file path will be read and/or written as Unicode (UTF-8). This extra header is part of the Zip Specification version 6.3.2.
    xehUTF8Comment 64 The file comment will be read and/or written as Unicode (UTF-8). This extra header is part of the Zip Specification version 6.3.2.

    Default value

    xehNone

    Declaration (DLL API)  
    UINT XzGetIgnoredExtraHeaders( HXCEEDZIP hZip )
    void XzSetIgnoredExtraHeaders( HXCEEDZIP hZip, UINT uValue )

    Remarks 

    To control what type of supplemental information is to be stored when a zip file is created or updated, use the ExtraHeaders property

    Applicable methods

    Zip, Unzip, ListZipContents, Convert, RemoveFiles