Константа contextMenuEvent
Реализация
static const EventStreamProvider<MouseEvent> contextMenuEvent =
const EventStreamProvider<MouseEvent>('contextmenu');
© 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/contextMenuEvent-constant.html
