Dart

Make a Copy of an Email

Demonstrates the Chilkat Email.MakeCopy method, which copies the entire state of this email into another Email object — message content, recipients, headers, body representations, attachments, and related items. This example copies an email and reads a couple of fields from the copy.

Background: A deep copy gives you an independent duplicate: changes to one object do not affect the other. This is handy for template-and-tweak workflows — build a base message once, copy it per recipient, then vary only the recipient or a few fields — without risk of one send's edits bleeding into the next.

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Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // Demonstrates the MakeCopy method, which copies the entire state of this email into
  // another Email object -- message content, recipients, headers, bodies, attachments, and
  // related items.

  final email = CkEmail();
  email.subject = 'Original';
  email.from = 'alice@example.com';
  email.addTo('Bob', 'bob@example.com');
  email.body = 'Original body.';

  // Copy the entire email into a new Email object.
  final copy = CkEmail();

  try {
    email.makeCopy(copy);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print('Copy subject: ${copy.subject}');
  print('Copy NumTo: ${copy.numTo}');
}