(C#) Access Attached Message (Embedded Email)

How to access an email embedded within another email (i.e. an attached message).

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

Chilkat.Email email = new Chilkat.Email();

// Load an email from a .eml
bool success = email.LoadEml("embeddedEmail.eml");
if (success != true) {
    Debug.WriteLine(email.LastErrorText);
    return;
}

// Display how many attached emails are embedded within
// this one:
int numAttached = email.NumAttachedMessages;
Debug.WriteLine("numAttached = " + Convert.ToString(numAttached));

// Get the 1st attached message.
Chilkat.Email email2 = null;
email2 = email.GetAttachedMessage(0);
if (email.LastMethodSuccess == true) {

    // Display the subject, From, and a header field...
    Debug.WriteLine(email2.Subject);
    Debug.WriteLine(email2.From);
    Debug.WriteLine(email2.GetHeaderField("X-SOMETHING"));
}