свойство onMouseDown
override
Поток событий mousedown, обрабатываемых этим Element.
Реализация
ElementStream<MouseEvent> get onMouseDown => mouseDownEvent.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/onMouseDown.html
