Xojo Plugin

Get an Attachment's Bytes into a BinData

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Demonstrates the Chilkat Email.GetAttachmentBd method, which copies an attachment's binary data into a BinData object. The first attachment is at index 0. This example adds an attachment and copies its bytes into a BinData, printing the byte count.

Background: This is the safe, binary way to extract an attachment — the counterpart to the text-oriented GetAttachmentString. Because attachments are often binary (PDFs, images, archives), copying the raw bytes into a BinData preserves them exactly, ready to write to a file, hash, or pass to another API without any charset conversion that could corrupt the data.

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Dim success As Boolean
success = False

//  Demonstrates the GetAttachmentBd method, which copies an attachment's binary data into a
//  BinData object.  The first attachment is at index 0.

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

success = email.AddStringAttachment("notes.txt","Some notes stored in the attachment.")

//  Copy the first attachment's binary data into a BinData object.
Dim bd As New Chilkat.BinData
success = email.GetAttachmentBd(0,bd)
If (success = False) Then
    System.DebugLog(email.LastErrorText)
    Return
End If

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