(Go) Transition from MailMan.GetHeaders to MailMan.FetchRange

Provides instructions for replacing deprecated GetHeaders method calls with FetchRange.

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

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    mailman := MailMan_Ref.html">chilkat.NewMailMan()

    // ...
    // ...

    numBodyLines := 3
    fromIndex := 0
    toIndex := 9

    // ------------------------------------------------------------------------
    // The GetHeaders method is deprecated:

    bundleObj := mailman.GetHeaders(numBodyLines,fromIndex,toIndex)
    if mailman.LastMethodSuccess() == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        return
    }

    // ...
    // ...

    bundleObj.DisposeEmailBundle()

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

    keepOnServer := true
    headersOnly := true

    bundleOut := EmailBundle_Ref.html">chilkat.NewEmailBundle()
    success := mailman.FetchRange(keepOnServer,headersOnly,numBodyLines,fromIndex,toIndex,bundleOut)
    if success == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        bundleOut.DisposeEmailBundle()
        return
    }


    mailman.DisposeMailMan()
    bundleOut.DisposeEmailBundle()