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Dart

DateTime - Add or Subtract Seconds

Demonstrates the AddSeconds method to add or subtract a number of seconds from a date/time.

Note: This example is only valid in Chilkat v9.5.0.65 or later.

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Dart
import 'package:chilkat/chilkat.dart';

void main() {
  final dateTime = CkDateTime();

  dateTime.setFromCurrentSystemTime();

  print('Current time: ${dateTime.getAsTimestamp(false)}');

  dateTime.addSeconds(1);
  print('Current time + 1 second: ${dateTime.getAsTimestamp(false)}');

  dateTime.addSeconds(-2);
  print('Current time - 1 second: ${dateTime.getAsTimestamp(false)}');

  // Add 30 days (60 * 60 * 24 * 30)
  dateTime.addSeconds(60 * 60 * 24 * 30);
  print('Current time + 30 days: ${dateTime.getAsTimestamp(false)}');

  // Sample output for test run on 2-Dec-2016: 

  // 	Current time: 2016-12-02T12:59:13Z
  // 	Current time + 1 second: 2016-12-02T12:59:14Z
  // 	Current time - 1 second: 2016-12-02T12:59:12Z
  // 	Current time + 30 days: 2017-01-01T12:59:12Z
}