(Swift) Transition from MailMan.GetAllHeaders to MailMan.FetchAll

Provides instructions for replacing deprecated GetAllHeaders method calls with FetchAll.

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

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func chilkatTest() {
    let mailman = CkoMailMan()!

    // ...
    // ...

    var numBodyLines: Int = 5

    // ------------------------------------------------------------------------
    // The GetAllHeaders method is deprecated:

    var bundleObj: CkoEmailBundle? = mailman.getAllHeaders(numBodyLines)
    if mailman.lastMethodSuccess == false {
        print("\(mailman.lastErrorText!)")
        return
    }

    // ...
    // ...

    bundleObj = nil

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

    var keepOnServer: Bool = true
    var headersOnly: Bool = true

    let bundleOut = CkoEmailBundle()!
    var success: Bool = mailman.fetchAll(keepOnServer, headersOnly: headersOnly, numBodyLines: numBodyLines, bundle: bundleOut)
    if success == false {
        print("\(mailman.lastErrorText!)")
        return
    }


}