B4X

Get an Email's MIME into a StringBuilder

Demonstrates the Chilkat Email.GetMimeSb method, which returns the email as MIME text (header, body or bodies, related items, and all attachments) by appending it to a StringBuilder object. This example builds a message and appends its MIME to a StringBuilder.

Background: This is a StringBuilder-based alternative to GetMime, which returns a plain string. Writing into a StringBuilder is more efficient when the MIME is large or when you intend to further manipulate it — searching, replacing, or accumulating additional text — without creating many intermediate string copies.

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Dim success As Boolean = False

'  Demonstrates the GetMimeSb method, which returns the email as MIME text (headers, bodies,
'  related items, and attachments), appending it to a StringBuilder object.

Dim email As ChilkatEmail
email.Initialize
email.Subject = "GetMimeSb example"
email.From = "alice@example.com"
email.AddTo("Bob", "bob@example.com")
email.Body = "Hello!"

'  Append the complete MIME to a StringBuilder.
Dim sbMime As ChilkatStringBuilder
sbMime.Initialize
success = email.GetMimeSb(sbMime)
If success = False Then
    Log(email.LastErrorText)
    Return
End If


Log(sbMime.GetAsString)