Xojo Plugin

Get an Alternative Body into a BinData

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Demonstrates the Chilkat Email.GetAlternativeBodyBd method, which copies the contents of the Nth alternative body into a BinData object. The first alternative body is at index 0, and it should only be called when NumAlternatives is greater than 0. This example builds a message with plain-text and HTML alternatives and copies the first into a BinData.

Background: This is the binary counterpart to GetAlternativeBody (which returns text). Reading an alternative into a BinData preserves the exact bytes — important when a body part uses a binary or unusual transfer encoding, or when you intend to hash it or write it out verbatim rather than decode it to a string.

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Dim success As Boolean
success = False

//  Demonstrates the GetAlternativeBodyBd method, which copies the contents of the Nth
//  alternative body into a BinData object.  The first alternative body is at index 0; call
//  only when NumAlternatives is greater than 0.

Dim email As New Chilkat.Email
email.Subject = "GetAlternativeBodyBd example"

email.SetTextBody "This is the plain-text alternative.","text/plain"
success = email.AddHtmlAlternativeBody("<html><body>This is the HTML alternative.</body></html>")

//  Copy the first alternative body (index 0) into a BinData object.
Dim bd As New Chilkat.BinData

success = email.GetAlternativeBodyBd(0,bd)
If (success = False) Then
    System.DebugLog(email.LastErrorText)
    Return
End If

System.DebugLog("Alternative 0 size (bytes) = " + Str(bd.NumBytes))