(Swift) Transition from Zip.GetEntryByIndex to Zip.EntryAt

Provides instructions for replacing deprecated GetEntryByIndex method calls with EntryAt.

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

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func chilkatTest() {
    let zip = CkoZip()!

    // ...
    // ...
    var index: Int = 15

    // ------------------------------------------------------------------------
    // The GetEntryByIndex method is deprecated:

    var entryObj: CkoZipEntry? = zip.getEntryByIndex(index)
    if zip.lastMethodSuccess == false {
        print("\(zip.lastErrorText!)")
        return
    }

    // ...
    // ...

    entryObj = nil

    // ------------------------------------------------------------------------
    // Do the equivalent using EntryAt.
    // Your application creates a new, empty ZipEntry object which is passed 
    // in the last argument and filled upon success.

    let ze = CkoZipEntry()!
    var success: Bool = zip.entry(at: index, entry: ze)
    if success == false {
        print("\(zip.lastErrorText!)")
        return
    }


}