Remove the HTML Body from an Email

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Demonstrates the Chilkat Email.RemoveHtmlAlternative method, which removes the HTML body from the email if one exists. Other body representations, attachments, and related items remain unchanged. This example builds a message with both plain-text and HTML alternatives, then removes the HTML.

Background: A multipart/alternative message carries the same content as both HTML and plain text. Dropping the HTML alternative yields a leaner, text-only message — useful for reducing size, sidestepping HTML-rendering or spam concerns, or enforcing a plain-text policy. The plain-text alternative remains as the message body. Its counterpart is RemovePlainTextAlternative.

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    //  Demonstrates the RemoveHtmlAlternative method, which removes the HTML body from the email
    //  (if one exists).  Other body representations, attachments, and related items remain.

    email := chilkat.NewEmail()
    email.SetSubject("Remove HTML alternative")

    //  Create an email with both plain-text and HTML alternatives.
    email.SetTextBody("This is the plain-text version.","text/plain")
    email.AddHtmlAlternativeBody("<html><body>This is the HTML version.</body></html>")
    fmt.Println("NumAlternatives before = ", email.NumAlternatives())
    fmt.Println("HasHtmlBody before: ", *email.HasHtmlBody())

    //  Remove the HTML body, leaving the plain-text alternative.
    email.RemoveHtmlAlternative()
    fmt.Println("NumAlternatives after = ", email.NumAlternatives())
    fmt.Println("HasHtmlBody after: ", *email.HasHtmlBody())

    email.DisposeEmail()