B4X

Get an Email's MIME into a BinData

Demonstrates the Chilkat Email.GetMimeBd method, which serializes the complete RFC822/MIME message (headers, body representations, related items, and attachments) and appends the bytes to a BinData object. This example builds a message, serializes it to a BinData, and prints the byte count.

Background: A BinData holds raw bytes, which is the right container when you want the MIME as binary rather than text — for example to write it directly to a file or socket, hash it, or hand it to another API that expects a byte buffer. It is the binary counterpart to GetMime (string) and GetMimeSb (StringBuilder).

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Dim success As Boolean = False

'  Demonstrates the GetMimeBd method, which serializes the complete RFC822/MIME message
'  (headers, bodies, related items, and attachments) and appends the bytes to a BinData
'  object.

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

'  Append the complete MIME to a BinData object.
Dim bdMime As ChilkatBinData
bdMime.Initialize
success = email.GetMimeBd(bdMime)
If success = False Then
    Log(email.LastErrorText)
    Return
End If


Log("MIME size (bytes) = " & bdMime.NumBytes)