(DataFlex) Transition from Zip.AppendString to Zip.AddString

Provides instructions for replacing deprecated AppendString method calls with AddString.

Note: This example requires Chilkat v11.0.0 or greater.

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoZip
    String sPathInZip
    String sTextData
    Variant vEntryObj
    Handle hoEntryObj
    Boolean iSuccess
    Variant vZe
    Handle hoZe
    Integer iIndex
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

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

    // ...
    // ...
    Move "example.txt" To sPathInZip
    Move "This is a test" To sTextData

    // ------------------------------------------------------------------------
    // The AppendString method is deprecated:

    Get ComAppendString Of hoZip sPathInZip sTextData To vEntryObj
    If (IsComObject(vEntryObj)) Begin
        Get Create (RefClass(cComChilkatZipEntry)) To hoEntryObj
        Set pvComObject Of hoEntryObj To vEntryObj
    End
    Get ComLastMethodSuccess Of hoZip To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // ...
    // ...

    Send Destroy of hoEntryObj

    // ------------------------------------------------------------------------
    // Do the equivalent using AddString.

    // Instead of returning the zip entry object, we just return success/failure.
    Get ComAddString Of hoZip sPathInZip sTextData "utf-8" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Do the following if you need the zip entry object for what was just appended.
    // The newly appended entry is the last one.
    Get Create (RefClass(cComChilkatZipEntry)) To hoZe
    If (Not(IsComObjectCreated(hoZe))) Begin
        Send CreateComObject of hoZe
    End
    Get ComNumEntries Of hoZip To iTemp1
    Move (iTemp1 - 1) To iIndex
    Get pvComObject of hoZe to vZe
    Get ComEntryAt Of hoZip iIndex vZe To iSuccess


End_Procedure