(Go) Transition from MailMan.FetchByMsgnum to MailMan.FetchOne

Provides instructions for replacing deprecated FetchByMsgnum method calls with FetchOne.

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

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

    // ...
    // ...

    msgnum := 123

    // ------------------------------------------------------------------------
    // The FetchByMsgnum method is deprecated:

    emailObj := mailman.FetchByMsgnum(msgnum)
    if mailman.LastMethodSuccess() == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        return
    }

    // ...
    // ...

    emailObj.DisposeEmail()

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

    headerOnly := false
    // Irrelevant because we are not downloading headers-only.
    numBodyLines := 0

    emailOut := Email_Ref.html">chilkat.NewEmail()
    success := mailman.FetchOne(headerOnly,numBodyLines,msgnum,emailOut)
    if success == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        emailOut.DisposeEmail()
        return
    }


    mailman.DisposeMailMan()
    emailOut.DisposeEmail()