onDragStart property
Stream<MouseEvent> onDragStartStream of dragstart events handled by this Document.
Source
@DomName('Document.ondragstart')
@DocsEditable()
Stream<MouseEvent> get onDragStart => Element.dragStartEvent.forTarget(this);
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-html/Document/onDragStart.html