Константа touchCancelEvent
Реализация
static const EventStreamProvider<TouchEvent> touchCancelEvent =
const EventStreamProvider<TouchEvent>('touchcancel');
© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.19.6/dart-svg/SvgElement/touchCancelEvent-constant.html
