(DataFlex) Unzip Files to Byte Array

Demonstrates how to unzip each file contained in a .zip to an in-memory byte array.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoZip
    Boolean iSuccess
    Integer iNumEntries
    Integer i
    Variant vEntry
    Handle hoEntry
    Variant hoFileData
    String sTemp1
    Boolean bTemp1

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatZip)) To hoZip
    If (Not(IsComObjectCreated(hoZip))) Begin
        Send CreateComObject of hoZip
    End

    Get ComOpenZip Of hoZip "qa_data/zips/test.zip" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Iterate of each entry in the zip.
    // An entry can be a file or directory entry.  For each file, unzip to a byte array.
    Get ComNumEntries Of hoZip To iNumEntries
    Showln "NumEntries = " iNumEntries
    Move 0 To i
    While (i < iNumEntries)
        Get ComGetEntryByIndex Of hoZip i To vEntry
        If (IsComObject(vEntry)) Begin
            Get Create (RefClass(cComChilkatZipEntry)) To hoEntry
            Set pvComObject Of hoEntry To vEntry
        End
        Get ComIsDirectory Of hoEntry To bTemp1
        If (bTemp1 = False) Begin
            Get ComInflate Of hoEntry To hoFileData
            // Do whatever you wish with the file data...
        End

        Send Destroy of hoEntry
        Move (i + 1) To i
    Loop

    Send ComCloseZip To hoZip

    Showln "Finished."


End_Procedure