Xceed Zip for COM/ActiveX on x86/x64 Documentation
Xceed Zip control reference / Xceed Zip control error codes / xerUnsupportedDataType constant
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    xerUnsupportedDataType constant
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    Value

    525

    Description

    An invalid data type was received by the library for the vaDataToCompress parameter of the ZippingMemoryFile event.

    Tips

    Only byte arrays or strings can be used.