Get the Decoded MIME Body Bytes (BinData)

See more MIME Examples

Demonstrates the Chilkat Mime.GetBodyBd method, which replaces the contents of a BinData with the decoded body bytes of the current part. The only argument is the BinData. Base64 and quoted-printable are decoded; headers and boundaries are not included.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: This is how you extract a part's actual content as bytes — the decoded payload of an attachment or an image, ready to hash, re-save, or hand to another API. Because it works in raw bytes it is the correct choice for binary parts, where a text decode would be wrong. Note it replaces the BinData contents rather than appending.

Chilkat C# Downloads

Download Chilkat for C#

bool success = false;

Chilkat.Mime mime = new Chilkat.Mime();
success = mime.LoadMimeFile("qa_data/message.eml");
if (success == false) {
    Debug.WriteLine(mime.LastErrorText);
    return;
}

//  Replace the contents of a BinData with the decoded body bytes of the current part.  Base64 and
//  quoted-printable are decoded; MIME headers and multipart boundaries are not included.
Chilkat.BinData bd = new Chilkat.BinData();
success = mime.GetBodyBd(bd);
if (success == false) {
    Debug.WriteLine(mime.LastErrorText);
    return;
}

Debug.WriteLine("Decoded body: " + Convert.ToString(bd.NumBytes) + " bytes.");