onDragStart method

WidgetElementVisible onDragStart(
  1. dynamic fun(
    1. Element,
    2. Event
    )?
)
inherited

The dragover event is fired when an element or text selection is being dragged over a valid drop target (every few hundred milliseconds). Read more...

Implementation

WidgetElementVisible onDragStart(Function(Element, Event)? fun) {
  if (fun != null) on.call('dragstart', fun);
  return this;
}