Delphi DLL

Create a Reply Email

Demonstrates the Chilkat Email.ToReply method, which generates a reply email with updated header and body fields so it can be sent as a reply. Attachments are excluded from the reply, but attached messages are included. The source email is not modified. This example creates a reply and prints its MIME.

Background: Replying is more than swapping sender and recipient: the To is set from the original's reply address, the subject gets an Re: prefix, the original text is quoted, and threading headers (In-Reply-To, References) are added so mail clients group the conversation. ToReply assembles all of that, leaving a message you can edit and send. Dropping attachments is the usual reply convention — you rarely echo the sender's files back to them.

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Delphi DLL

var
success: Boolean;
email: HCkEmail;
reply: HCkEmail;

begin
success := False;

//  Demonstrates the ToReply method, which generates a reply email with updated header and
//  body fields ready to send as a reply.  Attachments are excluded from the reply, but
//  attached messages are included.  The source email is not modified.

email := CkEmail_Create();
CkEmail_putSubject(email,'Project update');
CkEmail_putFrom(email,'alice@example.com');
CkEmail_AddTo(email,'Bob','bob@example.com');
CkEmail_putBody(email,'Here is the project update.');

//  Create a reply email based on this message.
reply := CkEmail_Create();

success := CkEmail_ToReply(email,reply);
if (success = False) then
  begin
    Memo1.Lines.Add(CkEmail__lastErrorText(email));
    Exit;
  end;

//  The reply is addressed and quoted, ready to edit and send.
Memo1.Lines.Add(CkEmail__getMime(reply));

CkEmail_Dispose(email);
CkEmail_Dispose(reply);