Dart

Set an Email Body with a Content-Type

Demonstrates the Chilkat Email.SetTextBody method, which sets the body of the email and also sets the Content-Type header field to the value in the second argument (a textual MIME type such as text/plain or text/html). If the email is already multipart/alternative, an alternative with the given content type is added, or replaced if one already exists. This example sets a plain-text body.

Background: SetTextBody is the general body-setter where you name the MIME type, making it flexible for building multipart/alternative messages one representation at a time. When your goal is specifically a plain-text/HTML pair, the dedicated methods — SetHtmlBody with AddPlainTextAlternativeBody, or AddHtmlAlternativeBody — express the intended alternative structure more clearly.

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Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // Demonstrates the SetTextBody method, which sets the body of the email and also sets the
  // Content-Type header field to the value in the second argument (a textual MIME type such
  // as text/plain or text/html).  If the email is already multipart/alternative, an
  // alternative with the given Content-Type is added (or replaced if one already exists).

  final email = CkEmail();
  email.subject = 'SetTextBody example';

  // Set a plain-text body with Content-Type text/plain.
  email.setTextBody('This is the plain-text body of the message.', 'text/plain');

  print('HasPlainTextBody: ${email.hasPlainTextBody()}');
  print(email.getMime());
}