свойство onMouseUp
override
Поток событий mouseup, обрабатываемых этим Element.
Реализация
ElementStream<MouseEvent> get onMouseUp => mouseUpEvent.forElement(this);
© 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/onMouseUp.html
